Common Weakness Enumeration
CWE-601
AllowedURL Redirection to Untrusted Site ('Open Redirect')
Abstraction: Base · Status: Draft
The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.
1033 vulnerabilities reference this CWE, most recent first.
CVE-2026-103019 (GCVE-0-2026-103019)
Vulnerability from cvelistv5 – Published: 2026-11-05 20:04 – Updated: 2026-11-09 22:50
VLAI
EPSS
VEX
Title
OpenEMR: Unauthenticated Open Redirect via OIDC End Session Endpoint
Summary
OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.3.0, userSessionLogout() in src/RestControllers/AuthorizationController.php uses decodeToken() to process an id_token_hint without verifying its signature and, when the referenced trusted session is absent, redirects to the caller-supplied post_logout_redirect_uri before validating it against the client's registered redirect URIs. An unauthenticated attacker can craft a logout link that sends a user to an arbitrary external site and invalidates the user's session, enabling convincing phishing flows from the legitimate logout endpoint. The endpoint is reachable when the OpenEMR REST API is enabled. This issue is fixed in version 8.3.0.
Severity
4.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 22:49 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
GitHub_M
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/openemr/openemr/security/advis… | x_refsource_CONFIRM |
| https://github.com/openemr/openemr/pull/13133 | x_refsource_MISC |
| https://github.com/openemr/openemr/commit/50f789f… | x_refsource_MISC |
| https://github.com/openemr/openemr/releases/tag/v8_3_0 | x_refsource_MISC |
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CVE-2026-102778 (GCVE-0-2026-102778)
Vulnerability from cvelistv5 – Published: 2026-10-05 16:09 – Updated: 2026-10-06 06:54
VLAI
EPSS
VEX
Title
Joomla Extension - svenbluege.de - Cross-site scripting and open redirect on the share mini page in Event Gallery extension < 6.6.0
Summary
Joomla Extension - svenbluege.de - Cross-site scripting and open redirect on the share mini page in Event Gallery extension < 6.6.0 - The page a shared image link opens (the share mini page of the front end) can link the article the image was shared from when the option "Share article links" is on. It took the address of the article from the shared link and printed it into the page without checking or escaping it; with the link type "Image Page with Redirect" it followed the address at once. A prepared link could therefore run a script in the page, in the session of the visitor who opened it, or send the visitor to another web site. Nothing on the server is changed or read by the server.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 16:28 UTC
CWE
Assigner
Joomla
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.svenbluege.de/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| svenbluege.de | Event Gallery for Joomla |
Affected:
1.0.0-6.5.0
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CVE-2026-102090 (GCVE-0-2026-102090)
Vulnerability from cvelistv5 – Published: 2026-09-30 20:05 – Updated: 2026-10-01 13:37
VLAI
EPSS
VEX
Title
Kiteworks Core content injection
Summary
Kiteworks Core before version 9.5.1 is vulnerable to Content Injection. A URL parameter in the PDF viewer was insufficiently validated, allowing an attacker-controlled document to be loaded and displayed under the trust of the legitimate application domain. This could increase the credibility of phishing attempts relying on malicious links embedded in the displayed content.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:28 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
cisa-cg
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/kiteworks/security-advisories/… | vendor-advisory |
| https://raw.githubusercontent.com/cisagov/CSAF/de… | third-party-advisory |
Impacted products
Date Public
2026-09-30 00:00
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CVE-2026-101907 (GCVE-0-2026-101907)
Vulnerability from cvelistv5 – Published: 2026-09-28 17:36 – Updated: 2026-09-28 18:46
VLAI
EPSS
VEX
Title
Axios: maxRedirects: 0 is not enforced by the fetch adapter, allowing redirect-based SSRF
Summary
Axios is a promise-based HTTP client for the browser and Node.js. From 1.17.0 until 1.20.0, the fetch adapter bypasses the maxRedirects: 0 redirect policy. An Axios request uses the fetch adapter with maxRedirects set to zero and receives a redirect response. The underlying fetch implementation follows the redirect instead of returning the redirect response unchanged. The redirected request can access internal responses or reach state-changing internal endpoints despite redirects being disabled. This issue is fixed in version 1.20.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 18:44 UTC
CWE
Assigner
GitHub_M
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/axios/axios/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/axios/axios/pull/11141 | x_refsource_MISC |
| https://github.com/axios/axios/commit/d19040bda7a… | x_refsource_MISC |
| https://github.com/axios/axios/releases/tag/v1.20.0 | x_refsource_MISC |
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CVE-2026-101152 (GCVE-0-2026-101152)
Vulnerability from cvelistv5 – Published: 2026-10-06 19:37 – Updated: 2026-10-06 19:49
VLAI
EPSS
VEX
Title
Security Advisory 0187
Summary
Insufficient validation in the Single Sign-On (SSO) login flow could allow a remote, unauthenticated attacker to craft a URL that, when clicked by a user, causes the identity provider (IdP) to deliver authentication material to an attacker-controlled URL instead of to CloudVision.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 19:49 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
Arista
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.arista.com/en/support/advisories-noti… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Arista Networks | CloudVision Portal |
Affected:
2026.2.0
(custom)
Affected: 2026.1.0 , ≤ 2026.1.2 (custom) Affected: 2025.3.0 , ≤ 2025.3.3 (custom) Affected: 2021.1.0 , < 2025.3.0 (custom) |
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CVE-2026-101151 (GCVE-0-2026-101151)
Vulnerability from cvelistv5 – Published: 2026-10-06 19:37 – Updated: 2026-10-06 19:50
VLAI
EPSS
VEX
Title
Security Advisory 0187
Summary
Insufficient validation of request in login flow could allow a remote, unauthenticated attacker to craft a URL that, when clicked by a user, redirects the user's browser to an arbitrary external site upon completion of the authentication process.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 19:50 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
Arista
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.arista.com/en/support/advisories-noti… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Arista Networks | CloudVision Portal |
Affected:
2026.2.0
(custom)
Affected: 2026.1.0 , ≤ 2026.1.2 (custom) Affected: 2025.3.0 , ≤ 2025.3.3 (custom) Affected: 2020.3.0 , < 2025.3.0 (custom) |
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CVE-2026-101090 (GCVE-0-2026-101090)
Vulnerability from cvelistv5 – Published: 2026-09-27 20:50 – Updated: 2026-09-28 13:00
VLAI
EPSS
VEX
Title
Nezha through 2.2.3 Host Header Injection via OAuth2 redirect_uri
Summary
Nezha 2.2.3 contains a Host header injection regression in the OAuth2 redirect endpoint. When the new optional dashboard_host setting is empty, /api/v1/oauth2/{provider} (cmd/dashboard/controller/oauth2.go) reflects the attacker-supplied HTTP Host header into the redirect_uri sent to the identity provider instead of falling back to the configured install_host. An attacker who induces a victim to begin OAuth2 login via a request that reaches Nezha with a forged Host header can cause an attacker-controlled callback URL to be used as the redirect_uri; if the OAuth2 provider accepts it, the victim's authorization code is delivered to the attacker origin, allowing the attacker to complete the OAuth2 login/binding flow and take over the account. This regresses the fix for GHSA-9rc6-8cjv-rcvx and is configuration-dependent (dashboard_host empty). At the time of the advisory no patched version was available.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 12:59 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/nezhahq/nezha/security/advisor… | vendor-advisory |
| https://www.vulncheck.com/advisories/nezha-throug… | third-party-advisory |
Date Public
2026-06-20 00:00
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CVE-2026-100523 (GCVE-0-2026-100523)
Vulnerability from cvelistv5 – Published: 2026-09-26 00:59 – Updated: 2026-10-05 14:55
VLAI
EPSS
VEX
Title
Cotonti through 1.0.0 Open Redirect via message.php redirect parameter
Summary
Cotonti through 1.0.0 contains an open redirect vulnerability in message.php that base64-decodes the redirect parameter without domain validation. Unauthenticated attackers can craft malicious links with encoded external URLs to redirect users to arbitrary sites via meta refresh tags for phishing attacks.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 14:01 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
VulnCheck
CNA
References
6 references
| URL | Tags |
|---|---|
| https://github.com/Cotonti/Cotonti/issues/1907 | issue-tracking |
| https://github.com/Cotonti/Cotonti/pull/1908 | issue-trackingpatch |
| https://github.com/Cotonti/Cotonti/blob/1.0.0/mes… | technical-description |
| https://github.com/Cotonti/Cotonti/blob/1.0.0/sys… | technical-description |
| https://github.com/Cotonti/Cotonti | product |
| https://www.vulncheck.com/advisories/cotonti-thro… | third-party-advisory |
Impacted products
Date Public
2026-09-25 00:00
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CVE-2026-97325 (GCVE-0-2026-97325)
Vulnerability from cvelistv5 – Published: 2026-09-24 19:30 – Updated: 2026-09-25 14:03
VLAI
EPSS
VEX
Title
YunaiV/zhijiantianya ruoyi-vue-pro OAuth2 Client OAuth2ClientServiceImpl.java validOAuthClientFromCache redirect
Summary
A security flaw has been discovered in YunaiV/zhijiantianya ruoyi-vue-pro up to 2026.08. Affected by this vulnerability is the function validOAuthClientFromCache of the file yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/service/oauth2/OAuth2ClientServiceImpl.java of the component OAuth2 Client. The manipulation of the argument redirect_uri results in open redirect. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-25 14:03 UTC
CWE
- CWE-601 - Open Redirect
Assigner
VulDB
CNA
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/409333 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/409333/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-97325 | third-party-advisory |
| https://vuldb.com/submit/908276 | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| YunaiV | ruoyi-vue-pro |
Affected:
2026.08
cpe:2.3:a:yunaiv:ruoyi-vue-pro:*:*:*:*:*:*:*:* |
|
| zhijiantianya | ruoyi-vue-pro |
Affected:
2026.08
cpe:2.3:a:zhijiantianya:ruoyi-vue-pro:*:*:*:*:*:*:*:* |
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CVE-2026-97165 (GCVE-0-2026-97165)
Vulnerability from cvelistv5 – Published: 2026-09-27 11:44 – Updated: 2026-09-30 15:06
VLAI
EPSS
VEX
Title
Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension < 6.5.0
Summary
Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension < 6.5.0 - The “return” parameter is base64-decoded and written to the “Back” link without being validated.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 10:48 UTC
CWE
Assigner
Joomla
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.svenbluege.de/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| svenbluege.de | Event Gallery for Joomla |
Affected:
1.0.0-6.0.0
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Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- Use a list of approved URLs or domains to be used for redirection.
Mitigation
Architecture and Design
Use an intermediate disclaimer page that provides the user with a clear warning that they are leaving the current site. Implement a long timeout before the redirect occurs, or force the user to click on the link. Be careful to avoid XSS problems (CWE-79) when generating the disclaimer page.
Mitigation MIT-21.2
Architecture and Design
Strategy: Enforcement by Conversion
- When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs.
- For example, ID 1 could map to "/login.asp" and ID 2 could map to "http://www.example.com/". Features such as the ESAPI AccessReferenceMap [REF-45] provide this capability.
Mitigation
Architecture and Design
Ensure that no externally-supplied requests are honored by requiring that all redirect requests include a unique nonce generated by the application [REF-483]. Be sure that the nonce is not predictable (CWE-330).
Mitigation MIT-6
Architecture and Design
Implementation
Strategy: Attack Surface Reduction
- Understand all the potential areas where untrusted inputs can enter your software: parameters or arguments, cookies, anything read from the network, environment variables, reverse DNS lookups, query results, request headers, URL components, e-mail, files, filenames, databases, and any external systems that provide data to the application. Remember that such inputs may be obtained indirectly through API calls.
- Many open redirect problems occur because the programmer assumed that certain inputs could not be modified, such as cookies and hidden form fields.
Mitigation MIT-29
Operation
Strategy: Firewall
Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].
CAPEC-178: Cross-Site Flashing
An attacker is able to trick the victim into executing a Flash document that passes commands or calls to a Flash player browser plugin, allowing the attacker to exploit native Flash functionality in the client browser. This attack pattern occurs where an attacker can provide a crafted link to a Flash document (SWF file) which, when followed, will cause additional malicious instructions to be executed. The attacker does not need to serve or control the Flash document. The attack takes advantage of the fact that Flash files can reference external URLs. If variables that serve as URLs that the Flash application references can be controlled through parameters, then by creating a link that includes values for those parameters, an attacker can cause arbitrary content to be referenced and possibly executed by the targeted Flash application.