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39 vulnerabilities found for by withastro
CVE-2026-73424 (GCVE-0-2026-73424)
Vulnerability from cvelistv5
Published
2026-08-17 17:11
Modified
2026-08-18 14:49
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Astro is a web framework for content-driven websites. From 10.0.3 until 11.0.3, the Astro Vercel adapter in packages/integrations/vercel/src/serverless/entrypoint.ts accepts x_astro_path for the public /_isr function based only on the x-vercel-isr header, allowing unauthenticated GET requests to render routes protected only by Vercel edge path rules or split edge middleware. This issue is fixed in 11.0.3.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2026-73425 (GCVE-0-2026-73425)
Vulnerability from cvelistv5
Published
2026-08-12 20:41
Modified
2026-08-13 12:56
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-185 - Incorrect Regular Expression
Summary
Astro is a web framework for content-driven websites. Prior to 8.1.2, the Astro Netlify adapter converts each image.remotePatterns entry into a regular expression written to .netlify/v1/config.json under images.remote_images for Netlify's Image CDN allowlist. In packages/integrations/netlify/src/index.ts, remotePatternToRegex() escapes dots in hostname values but interpolates literal pathname values without escaping regular expression metacharacters such as ., +, ?, (, and [, so a restrictive pathname such as /img/v1.0/file also matches metacharacter-adjacent paths, including paths that cross a segment. Netlify enforces the generated regular expression directly and Astro's matchPattern() helper does not revalidate the request, allowing optimization of images on an already-allowed host that the declared pathname was intended to exclude. This issue is fixed in version 8.1.2.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2026-73423 (GCVE-0-2026-73423)
Vulnerability from cvelistv5
Published
2026-08-12 20:35
Modified
2026-08-13 17:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Summary
Astro is a web framework for content-driven websites. From 7.0.0 until 7.0.6, the composable astro/hono pipeline installs security.checkOrigin only through the middleware() primitive, while actions() and pages() can dispatch to user code independently. Mounting actions() before middleware(), as in the examples/advanced-routing example and Cloudflare Hono documentation, allows cross-origin form-encoded action requests to execute before the origin check, and using pages() without middleware() drops the check for on-demand endpoints and pages. The flaw enables blind write-only cross-site request forgery using the victim's cookies against ActionHandler.handle and PagesHandler.handleWithErrorFallback when manifest.checkOrigin is enabled; the attacker can trigger a state-mutating action or endpoint handler but cannot read the cross-origin response. The default non-composable astro() pipeline is not affected. This issue is fixed in version 7.0.6.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2026-73422 (GCVE-0-2026-73422)
Vulnerability from cvelistv5
Published
2026-08-12 20:32
Modified
2026-08-14 22:12
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Astro is a web framework for content-driven websites. From 2.9.0 until 7.1.0, Astro's server-side View Transition CSS generator interpolates animation properties into an inline style element without escaping them for CSS and HTML contexts. An attacker-controlled View Transition animation value such as duration can terminate the generated style element and inject arbitrary HTML or JavaScript. The affected code is packages/astro/src/runtime/server/transition.ts; renderTransition passes sheet.toString() into markHTMLString(), while addAnimationProperty serializes duration through toTimeValue() and also handles easing, direction, delay, fillMode, and name. Exploitation requires an on-demand or server-rendered route to pass attacker-controlled data into a View Transition animation definition and can execute arbitrary JavaScript in the affected application's origin, allowing access to sensitive page data and authenticated actions available to the victim. This issue is fixed in version 7.1.0.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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"x_refsource_MISC"
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}
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},
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CVE-2026-59730 (GCVE-0-2026-59730)
Vulnerability from cvelistv5
Published
2026-07-27 20:00
Modified
2026-07-28 13:49
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Summary
Astro is a web framework for content-driven websites. In versions 8.1.0 through 11.0.1, when trailingSlash: 'always' is configured, the @astrojs/node standalone server's static file handler appends a trailing slash to request paths and issues a 301 redirect. Paths beginning with /\ (slash-backslash) were not recognized as internal paths, so the handler would echo the raw path back in the Location header. Because browsers treat \ as / per the WHATWG URL specification, the resulting redirect could resolve to an external host. Preconditions for exploitation: trailingSlash: 'always' must be set (non-default; the default is 'ignore'), the request path must not have a file extension in its final segment, and an attacker must deliver the crafted link to a user. This issue has been fixed in version 11.0.2.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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}
],
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"discovery": "UNKNOWN"
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"title": "@astrojs/node: Backslash-prefixed paths not recognized as internal by trailing-slash redirect"
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CVE-2026-59728 (GCVE-0-2026-59728)
Vulnerability from cvelistv5
Published
2026-07-27 19:54
Modified
2026-07-28 14:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-91 - XML Injection (aka Blind XPath Injection)
Summary
Astro is a web framework for content-driven websites. In versions 1.0.0 through 4.0.18, the source.title and enclosure.type item fields in packages/astro-rss/src/index.ts are interpolated directly into XML template strings without XML-character escaping before being parsed by fast-xml-parser. Both fields are validated only as z.string(), placing no restriction on XML special characters. An attacker who controls these values can inject arbitrary XML into the generated RSS feed: a value containing " can break out of an attribute (as with enclosure.type), and a value containing </source> can close an element early and inject additional nodes (as with source.title). This corrupts feed structure, injects false metadata (for example, a fake <link> pointing to a malicious URL), and can cause feed readers to misparse or display attacker-controlled content. In SSR mode (output: 'server'), the poisoned feed is served on every request to all subscribers. This issue has been fixed in version 4.0.19.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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"source": {
"advisory": "GHSA-8j5q-mfj2-5q9q",
"discovery": "UNKNOWN"
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"title": "@astrojs/rss: XML Injection via Unescaped RSS Feed Fields"
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CVE-2026-59727 (GCVE-0-2026-59727)
Vulnerability from cvelistv5
Published
2026-07-27 19:42
Modified
2026-07-28 15:20
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Astro is a web framework for content-driven websites. In versions 3.10.0 through 7.0.3, when a transition:persist, transition:scope, or transition:persist-props directive is applied to a client-hydrated (client:*) component, Astro copied the directive value onto the rendered <astro-island> element without HTML-escaping it. If a developer reflects attacker-controlled input into one of these directives, an attacker can break out of the attribute and inject arbitrary HTML/JavaScript into the server-rendered output, resulting in reflected cross-site scripting (XSS). Exploitation requires the application developer to have written a non-idiomatic pattern — passing untrusted, request-derived input directly into a transition directive. Astro applications that do not route untrusted input into these directives are unaffected. This issue has been fixed in version 7.0.4.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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"timestamp": "2026-07-28T15:08:17.872331Z",
"version": "2.0.3"
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"product": "astro",
"vendor": "withastro",
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"status": "affected",
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},
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"descriptions": [
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"cweId": "CWE-116",
"description": "CWE-116: Improper Encoding or Escaping of Output",
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"type": "CWE"
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],
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"name": "https://github.com/withastro/astro/pull/17212",
"tags": [
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},
{
"name": "https://github.com/withastro/astro/commit/7ba0bb1dc7516e88caff9abd7767322af44b0294",
"tags": [
"x_refsource_MISC"
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"url": "https://github.com/withastro/astro/commit/7ba0bb1dc7516e88caff9abd7767322af44b0294"
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{
"name": "https://github.com/withastro/astro/releases/tag/astro@7.0.4",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/withastro/astro/releases/tag/astro@7.0.4"
}
],
"source": {
"advisory": "GHSA-7pw4-f3q4-r2p2",
"discovery": "UNKNOWN"
},
"title": "Astro: Cross-site scripting via unescaped transition:* directive values on hydrated islands"
}
},
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"cveId": "CVE-2026-59727",
"datePublished": "2026-07-27T19:42:32.222Z",
"dateReserved": "2026-07-06T15:34:16.917Z",
"dateUpdated": "2026-07-28T15:20:18.915Z",
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CVE-2026-59729 (GCVE-0-2026-59729)
Vulnerability from cvelistv5
Published
2026-07-27 19:38
Modified
2026-07-28 13:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Astro is a web framework for content-driven websites. Versions prior to 7.0.6 are vulnerable to XSS through unescaped spread attribute names in renderHTMLElement. The fix for CVE-2026-54298 (GHSA-jrpj-wcv7-9fh9) added an INVALID_ATTR_NAME_CHAR guard to addAttribute() so that spread-prop attribute names containing "' >/= or whitespace are dropped. A second attribute-rendering path, renderHTMLElement() in packages/astro/src/runtime/server/render/dom.ts, has its own inline attribute loop that does not go through addAttribute() and was not updated. It interpolates the attribute name unescaped and only escapes the value, so untrusted prop keys spread onto a native-HTMLElement-subclass component can still break out of the attribute context. This issue has been fixed in version 7.0.6.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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"version": "2.0.3"
},
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"tags": [
"x_refsource_MISC"
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"name": "https://github.com/withastro/astro/commit/5240e26c9dd91f9bc7140dcfacdb48d5a132830d",
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"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/withastro/astro/releases/tag/astro@7.0.6"
}
],
"source": {
"advisory": "GHSA-f48w-9m4c-m7f5",
"discovery": "UNKNOWN"
},
"title": "Astro: XSS via unescaped spread attribute names in renderHTMLElement (incomplete fix for CVE-2026-54298)"
}
},
"cveMetadata": {
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CVE-2026-59731 (GCVE-0-2026-59731)
Vulnerability from cvelistv5
Published
2026-07-08 16:27
Modified
2026-07-09 14:38
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-647 - Use of Non-Canonical URL Paths for Authorization Decisions
Summary
Astro is a web framework for content-driven websites. Version 6.4.7 performs authorization decisions on a partially decoded pathname after reaching the iterative URL decoder limit, while later rewrite route matching performs an additional decodeURI() operation and can resolve the request to a protected route. This issue is fixed in version 6.4.8.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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CVE-2026-54299 (GCVE-0-2026-54299)
Vulnerability from cvelistv5
Published
2026-06-22 17:33
Modified
2026-06-23 15:06
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Astro is a web framework. Prior to 6.4.6, Astro SSR apps with prerendered error pages (/404 or /500 using export const prerender = true) fetch those pages over HTTP at runtime when an error occurs. The URL for this fetch is derived from request.url, which in turn gets its origin from the incoming Host header. When the Host header is not validated against allowedDomains, an attacker can point the fetch at an arbitrary host and read the response. This vulnerability is fixed in 6.4.6.
References
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CVE-2026-54298 (GCVE-0-2026-54298)
Vulnerability from cvelistv5
Published
2026-06-22 17:33
Modified
2026-06-23 16:11
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Astro is a web framework. Prior to 6.4.6, the spreadAttributes function in Astro's server-side rendering pipeline iterates over object keys and passes them directly to addAttribute, which interpolates the key into the HTML output without escaping. When a developer uses the spread syntax {...props} on an HTML element and the object keys come from an untrusted source (API, CMS, URL parameters), an attacker can inject arbitrary HTML attributes including event handlers like onmousemove, onclick, or break out of the attribute context entirely to inject new elements. This vulnerability is fixed in 6.4.6.
References
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CVE-2026-50146 (GCVE-0-2026-50146)
Vulnerability from cvelistv5
Published
2026-06-22 17:31
Modified
2026-06-23 14:11
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Summary
Astro is a web framework. Prior to 6.3.3, when a component uses a client:* directive, Astro inserts named slot content into a data-astro-template attribute without HTML escaping the slot name allowing an attacker to break out of the attribute context and inject arbitrary HTML, resulting in reflected XSS during SSR. This vulnerability is fixed in 6.3.3.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2026-54300 (GCVE-0-2026-54300)
Vulnerability from cvelistv5
Published
2026-06-22 17:30
Modified
2026-06-23 14:08
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Summary
@astrojs/netlify is an adapter that allows Astro to deploy your hybrid or server rendered site to Netlify. Prior to 7.0.13, @astrojs/netlify converts Astro image.remotePatterns into Netlify Image CDN images.remote_images regular expressions with broader semantics than Astro's canonical matcher. A single wildcard hostname such as *.example.com is converted to an optional subdomain regex, so the apex host matches. A single wildcard pathname such as /ok/* is converted without end anchoring, so deeper paths match by prefix. This vulnerability is fixed in 7.0.13.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2026-45028 (GCVE-0-2026-45028)
Vulnerability from cvelistv5
Published
2026-05-13 15:50
Modified
2026-05-14 18:33
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-323 - Reusing a Nonce, Key Pair in Encryption
Summary
Astro is a web framework. Astro versions prior to 6.1.10 used AES-GCM encryption to protect the confidentiality and integrity of server island props and slots parameters, but did not bind the ciphertext to its intended component or parameter type. An attacker could replay one component's encrypted props (p) value as another component's slots (s) value, or vice versa. Since slots contain raw unescaped HTML while props may contain user-controlled values, this could lead to XSS in applications. This occurs when the application uses server islands, two different server island components share the same key name for a prop and a slot, and an attacker has full control over the value of the overlapping prop (requires a dynamically rendered page). This vulnerability is fixed in 6.1.10.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2026-41322 (GCVE-0-2026-41322)
Vulnerability from cvelistv5
Published
2026-04-24 17:08
Modified
2026-04-25 01:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-525 - Use of Web Browser Cache Containing Sensitive Information
Summary
@astrojs/node allows Astro to deploy your SSR site to Node targets. Prior to 10.0.5, requesting a static js/css resources from _astro path with an incorrect/malformed if-match header returns a 500 error with a one year cache lifetime instead of 412 in some cases. This has the effect that all subsequent requests to that file, regardless of if-match header will be served a 5xx error instead of the file until the cache expires. This vulnerability is fixed in 10.0.5.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2026-41321 (GCVE-0-2026-41321)
Vulnerability from cvelistv5
Published
2026-04-24 17:04
Modified
2026-04-24 18:33
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Summary
@astrojs/cloudflare is an SSR adapter for use with Cloudflare Workers targets. Prior to 13.1.10, the fetch() call for remote images in packages/integrations/cloudflare/src/utils/image-binding-transform.ts uses the default redirect: 'follow' behavior. This allows the Cloudflare Worker to follow HTTP redirects to arbitrary URLs, bypassing the isRemoteAllowed() domain allowlist check which only validates the initial URL. This vulnerabiity is caused by an incomplete fix for CVE-2025-58179. This vulnerability is fixed in 13.1.10.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| withastro | @astrojs/cloudflare |
Version: < 13.1.10 |
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CVE-2026-41067 (GCVE-0-2026-41067)
Vulnerability from cvelistv5
Published
2026-04-24 16:57
Modified
2026-04-24 18:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Astro is a web framework. Prior to 6.1.6, the defineScriptVars function in Astro's server-side rendering pipeline uses a case-sensitive regex /<\/script>/g to sanitize values injected into inline <script> tags via the define:vars directive. HTML parsers close <script> elements case-insensitively and also accept whitespace or / before the closing >, allowing an attacker to bypass the sanitization with payloads like </Script>, </script >, or </script/> and inject arbitrary HTML/JavaScript. This vulnerability is fixed in 6.1.6.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2026-33769 (GCVE-0-2026-33769)
Vulnerability from cvelistv5
Published
2026-03-24 18:44
Modified
2026-03-24 20:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - Improper Input Validation
Summary
Astro is a web framework. From version 2.10.10 to before version 5.18.1, this issue concerns Astro's remotePatterns path enforcement for remote URLs used by server-side fetchers such as the image optimization endpoint. The path matching logic for /* wildcards is unanchored, so a pathname that contains the allowed prefix later in the path can still match. As a result, an attacker can fetch paths outside the intended allowlisted prefix on an otherwise allowed host. This issue has been patched in version 5.18.1.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2026-33768 (GCVE-0-2026-33768)
Vulnerability from cvelistv5
Published
2026-03-24 18:40
Modified
2026-03-24 18:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Astro is a web framework. Prior to version 10.0.2, the @astrojs/vercel serverless entrypoint reads the x-astro-path header and x_astro_path query parameter to rewrite the internal request path, with no authentication whatsoever. On deployments without Edge Middleware, this lets anyone bypass Vercel's platform-level path restrictions entirely. The override preserves the original HTTP method and body, so this isn't limited to GET. POST, PUT, DELETE all land on the rewritten path. A Firewall rule blocking /admin/* does nothing when the request comes in as POST /api/health?x_astro_path=/admin/delete-user. This issue has been patched in version 10.0.2.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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CVE-2026-29772 (GCVE-0-2026-29772)
Vulnerability from cvelistv5
Published
2026-03-24 18:38
Modified
2026-03-24 20:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
Astro is a web framework. Prior to version 10.0.0, Astro's Server Islands POST handler buffers and parses the full request body as JSON without enforcing a size limit. Because JSON.parse() allocates a V8 heap object for every element in the input, a crafted payload of many small JSON objects achieves ~15x memory amplification (wire bytes to heap bytes), allowing a single unauthenticated request to exhaust the process heap and crash the server. The /_server-islands/[name] route is registered on all Astro SSR apps regardless of whether any component uses server:defer, and the body is parsed before the island name is validated, so any Astro SSR app with the Node standalone adapter is affected. This issue has been patched in version 10.0.0.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2026-27829 (GCVE-0-2026-27829)
Vulnerability from cvelistv5
Published
2026-02-26 00:36
Modified
2026-02-26 16:21
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Summary
Astro is a web framework. In versions 9.0.0 through 9.5.3, a bug in Astro's image pipeline allows bypassing `image.domains` / `image.remotePatterns` restrictions, enabling the server to fetch content from unauthorized remote hosts. Astro provides an `inferSize` option that fetches remote images at render time to determine their dimensions. Remote image fetches are intended to be restricted to domains the site developer has manually authorized (using the `image.domains` or `image.remotePatterns` options). However, when `inferSize` is used, no domain validation is performed — the image is fetched from any host regardless of the configured restrictions. An attacker who can influence the image URL (e.g., via CMS content or user-supplied data) can cause the server to fetch from arbitrary hosts. This allows bypassing `image.domains` / `image.remotePatterns` restrictions to make server-side requests to unauthorized hosts. This includes the risk of server-side request forgery (SSRF) against internal network services and cloud metadata endpoints. Version 9.5.4 fixes the issue.
References
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CVE-2026-27729 (GCVE-0-2026-27729)
Vulnerability from cvelistv5
Published
2026-02-24 00:46
Modified
2026-02-26 14:59
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
Astro is a web framework. In versions 9.0.0 through 9.5.3, Astro server actions have no default request body size limit, which can lead to memory exhaustion DoS. A single large POST to a valid action endpoint can crash the server process on memory-constrained deployments. On-demand rendered sites built with Astro can define server actions, which automatically parse incoming request bodies (JSON or FormData). The body is buffered entirely into memory with no size limit — a single oversized request is sufficient to exhaust the process heap and crash the server. Astro's Node adapter (`mode: 'standalone'`) creates an HTTP server with no body size protection. In containerized environments, the crashed process is automatically restarted, and repeated requests cause a persistent crash-restart loop. Action names are discoverable from HTML form attributes on any public page, so no authentication is required. The vulnerability allows unauthenticated denial of service against SSR standalone deployments using server actions. A single oversized request crashes the server process, and repeated requests cause a persistent crash-restart loop in containerized environments. Version 9.5.4 contains a fix.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2026-25545 (GCVE-0-2026-25545)
Vulnerability from cvelistv5
Published
2026-02-24 00:37
Modified
2026-02-26 14:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Summary
Astro is a web framework. Prior to version 9.5.4, Server-Side Rendered pages that return an error with a prerendered custom error page (eg. `404.astro` or `500.astro`) are vulnerable to SSRF. If the `Host:` header is changed to an attacker's server, it will be fetched on `/500.html` and they can redirect this to any internal URL to read the response body through the first request. An attacker who can access the application without `Host:` header validation (eg. through finding the origin IP behind a proxy, or just by default) can fetch their own server to redirect to any internal IP. With this they can fetch cloud metadata IPs and interact with services in the internal network or localhost. For this to be vulnerable, a common feature needs to be used, with direct access to the server (no proxies). Version 9.5.4 fixes the issue.
References
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CVE-2025-66202 (GCVE-0-2025-66202)
Vulnerability from cvelistv5
Published
2025-12-08 23:41
Modified
2025-12-09 16:04
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-647 - Use of Non-Canonical URL Paths for Authorization Decisions
Summary
Astro is a web framework. Versions 5.15.7 and below have a double URL encoding bypass which allows any unauthenticated attacker to bypass path-based authentication checks in Astro middleware, granting unauthorized access to protected routes. While the original CVE-2025-64765 was fixed in v5.15.8, the fix is insufficient as it only decodes once. By using double-encoded URLs, attackers can still bypass authentication and access any route protected by middleware pathname checks. This issue is fixed in version 5.15.8.
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CVE-2025-64765 (GCVE-0-2025-64765)
Vulnerability from cvelistv5
Published
2025-11-19 16:41
Modified
2025-11-20 15:50
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Astro is a web framework. Prior to version 5.15.8, a mismatch exists between how Astro normalizes request paths for routing/rendering and how the application’s middleware reads the path for validation checks. Astro internally applies decodeURI() to determine which route to render, while the middleware uses context.url.pathname without applying the same normalization (decodeURI). This discrepancy may allow attackers to reach protected routes using encoded path variants that pass routing but bypass validation checks. This issue has been patched in version 5.15.8.
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CVE-2025-64764 (GCVE-0-2025-64764)
Vulnerability from cvelistv5
Published
2025-11-19 16:41
Modified
2025-11-19 21:07
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Summary
Astro is a web framework. Prior to version 5.15.8, a reflected XSS vulnerability is present when the server islands feature is used in the targeted application, regardless of what was intended by the component template(s). This issue has been patched in version 5.15.8.
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CVE-2025-65019 (GCVE-0-2025-65019)
Vulnerability from cvelistv5
Published
2025-11-19 16:40
Modified
2025-11-19 21:05
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Astro is a web framework. Prior to version 5.15.9, when using Astro's Cloudflare adapter (@astrojs/cloudflare) with output: 'server', the image optimization endpoint (/_image) contains a critical vulnerability in the isRemoteAllowed() function that unconditionally allows data: protocol URLs. This enables Cross-Site Scripting (XSS) attacks through malicious SVG payloads, bypassing domain restrictions and Content Security Policy protections. This issue has been patched in version 5.15.9.
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CVE-2025-64757 (GCVE-0-2025-64757)
Vulnerability from cvelistv5
Published
2025-11-19 16:40
Modified
2025-11-19 21:04
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Astro is a web framework. Prior to version 5.14.3, a vulnerability has been identified in the Astro framework's development server that allows arbitrary local file read access through the image optimization endpoint. The vulnerability affects Astro development environments and allows remote attackers to read any image file accessible to the Node.js process on the host system. This issue has been patched in version 5.14.3.
References
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CVE-2025-64745 (GCVE-0-2025-64745)
Vulnerability from cvelistv5
Published
2025-11-13 20:26
Modified
2025-11-13 21:20
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Astro is a web framework. Starting in version 5.2.0 and prior to version 5.15.6, a Reflected Cross-Site Scripting (XSS) vulnerability exists in Astro's development server error pages when the `trailingSlash` configuration option is used. An attacker can inject arbitrary JavaScript code that executes in the victim's browser context by crafting a malicious URL. While this vulnerability only affects the development server and not production builds, it could be exploited to compromise developer environments through social engineering or malicious links. Version 5.15.6 fixes the issue.
References
| URL | Tags | |
|---|---|---|
|
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CVE-2025-64525 (GCVE-0-2025-64525)
Vulnerability from cvelistv5
Published
2025-11-13 15:58
Modified
2025-11-13 16:15
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Summary
Astro is a web framework. In Astro versions 2.16.0 up to but excluding 5.15.5 which utilizeon-demand rendering, request headers `x-forwarded-proto` and `x-forwarded-port` are insecurely used, without sanitization, to build the URL. This has several consequences, the most important of which are: middleware-based protected route bypass (only via `x-forwarded-proto`), DoS via cache poisoning (if a CDN is present), SSRF (only via `x-forwarded-proto`), URL pollution (potential SXSS, if a CDN is present), and WAF bypass. Version 5.15.5 contains a patch.
References
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