Common Weakness Enumeration
CWE-248
AllowedUncaught Exception
Abstraction: Base · Status: Draft
An exception is thrown from a function, but it is not caught.
356 vulnerabilities reference this CWE, most recent first.
CVE-2026-123562 (GCVE-0-2026-123562)
Vulnerability from cvelistv5 – Published: 2026-11-08 01:38 – Updated: 2026-11-09 13:54
VLAI
EPSS
VEX
Title
Devalue 5.8.0 before 5.9.3 Denial of Service via stringifyAsync Unhandled Rejection
Summary
devalue (sveltejs/devalue) 5.8.0 before 5.9.3 contains an unhandled promise rejection in stringifyAsync: when serializing multiple promises, a later promise rejecting before an earlier one settles leaves an internal rejection unhandled, even if the caller catches the returned promise. An attacker able to influence the timing or failure of serialized asynchronous values can terminate the Node.js process.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 13:53 UTC
CWE
- CWE-248 - Uncaught Exception
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/sveltejs/devalue/security/advi… | vendor-advisory |
| https://www.vulncheck.com/advisories/devalue-5.8.… | third-party-advisory |
Impacted products
Date Public
2026-09-18 00:00
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CVE-2026-123533 (GCVE-0-2026-123533)
Vulnerability from cvelistv5 – Published: 2026-11-08 01:37 – Updated: 2026-11-08 01:37
VLAI
EPSS
VEX
Title
Gitoxide before 0.42.0 Denial of Service via Crafted Commit-Graph File
Summary
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Severity
5.5 (Medium)
CWE
- CWE-248 - Uncaught Exception
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/GitoxideLabs/gitoxide/security… | vendor-advisory |
| https://www.vulncheck.com/advisories/gitoxide-bef… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| GitoxideLabs | gitoxide |
Affected:
0 , < 0.42.0
(semver)
Unaffected: 0.42.0 (semver) |
|
| GitoxideLabs | gitoxide |
Affected:
0 , < 0.61.0
(semver)
Unaffected: 0.61.0 (semver) |
Date Public
2026-10-22 00:00
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CVE-2026-122315 (GCVE-0-2026-122315)
Vulnerability from cvelistv5 – Published: 2026-11-05 02:25 – Updated: 2026-11-09 16:53
VLAI
EPSS
VEX
Title
Kyverno before 1.19.2 Image Verification Bypass via Attestation Type Panic
Summary
Kyverno before 1.19.2 contains an unchecked type assertion in buildStatementMap that allows unauthenticated attackers to crash the policy engine via crafted attestation statements. Attackers can push an OCI referrer manifest with a non-string type field to bypass image verification under failurePolicy Ignore or crash-loop the reports-controller.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 16:33 UTC
CWE
- CWE-248 - Uncaught Exception
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/kyverno/kyverno/security/advis… | vendor-advisory |
| https://www.vulncheck.com/advisories/kyverno-befo… | third-party-advisory |
Impacted products
Date Public
2026-10-21 00:00
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CVE-2026-122314 (GCVE-0-2026-122314)
Vulnerability from cvelistv5 – Published: 2026-11-05 02:25 – Updated: 2026-11-09 16:53
VLAI
EPSS
VEX
Title
Kyverno before 1.19.2 Denial of Service via Shallow Variable Substitution Panic
Summary
Kyverno before 1.19.2 contains an unchecked type assertion in its variable-substitution engine that allows users who can submit resources to crash the policy engine. Attackers can submit resources with non-string fields referenced by {{- variable }} shallow substitution in policies, causing a panic that yields webhook denial of service and policy bypass under failurePolicy Ignore.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 16:33 UTC
CWE
- CWE-248 - Uncaught Exception
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/kyverno/kyverno/security/advis… | vendor-advisory |
| https://www.vulncheck.com/advisories/kyverno-befo… | third-party-advisory |
Impacted products
Date Public
2026-10-21 00:00
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CVE-2026-121443 (GCVE-0-2026-121443)
Vulnerability from cvelistv5 – Published: 2026-11-03 14:28 – Updated: 2026-11-09 15:04
VLAI
EPSS
VEX
Title
svg-sanitizer from 1.1.0 before 1.1.1 Denial of Service via Unclosed Tag
Summary
svg-sanitizer from 1.1.0 before 1.1.1 contains a denial of service vulnerability that allows remote attackers to crash requests by submitting SVG input ending inside an unclosed tag. Attackers can upload truncated input like a single '<' to trigger an uncaught ValueError from strpos() in hasElementWithTooManyAttributes() or hasInternalDtdSubset() on PHP 8, failing the request.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 15:03 UTC
CWE
- CWE-248 - Uncaught Exception
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/darylldoyle/svg-sanitizer/secu… | vendor-advisory |
| https://www.vulncheck.com/advisories/svg-sanitize… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| darylldoyle | svg-sanitizer |
Affected:
1.1.0 , < 1.1.1
(semver)
Unaffected: 1.1.1 (semver) cpe:2.3:a:drupal:svg_sanitizer:*:*:*:*:*:*:*:* |
Date Public
2026-10-20 00:00
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CVE-2026-121414 (GCVE-0-2026-121414)
Vulnerability from cvelistv5 – Published: 2026-11-03 14:28 – Updated: 2026-11-07 02:54
VLAI
EPSS
VEX
Title
Parse Server before 8.6.110 and 9.0.0 before 9.10.6-alpha.2 Denial of Service via afterSave Pointer Update
Summary
Parse Server before 8.6.110 and 9.0.0 before 9.10.6-alpha.2 fails to contain a serialization error when an object update uses a dot notation key targeting a pointer field's object identifier on a class with an afterSave trigger. Attackers, including unauthenticated clients when objects are writable without a session, can send such an update to crash the Node process.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-07 02:54 UTC
CWE
- CWE-248 - Uncaught Exception
Assigner
VulnCheck
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/parse-community/parse-server/s… | vendor-advisory |
| https://github.com/parse-community/parse-server/p… | patchissue-tracking |
| https://github.com/parse-community/parse-server/p… | patchissue-tracking |
| https://www.vulncheck.com/advisories/parse-server… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| parse-community | parse-server |
Affected:
9.0.0 , < 9.10.6-alpha.2
(semver)
Unaffected: 9.10.6-alpha.2 (semver) |
|
| parse-community | parse-server |
Affected:
0 , < 8.6.110
(semver)
Unaffected: 8.6.110 (semver) |
Date Public
2026-10-19 00:00
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CVE-2026-121386 (GCVE-0-2026-121386)
Vulnerability from cvelistv5 – Published: 2026-11-03 14:27 – Updated: 2026-11-07 02:47
VLAI
EPSS
VEX
Title
FreeRDP before 3.32.2 Denial of Service via WinPR PNG/JPEG Image Readers
Summary
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Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-07 02:46 UTC
CWE
- CWE-248 - Uncaught Exception
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FreeRDP/FreeRDP/security/advis… | vendor-advisory |
| https://www.vulncheck.com/advisories/freerdp-befo… | third-party-advisory |
Impacted products
Date Public
2026-10-19 00:00
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CVE-2026-120222 (GCVE-0-2026-120222)
Vulnerability from cvelistv5 – Published: 2026-11-06 10:00 – Updated: 2026-11-06 10:00
VLAI
EPSS
VEX
Title
undici vulnerable to Denial of Service via unhandled exception in cache-interceptor response replay
Summary
undici is an HTTP client for Node.js. In versions 7.0.0 through 7.30.1 and 8.0.0 through 8.12.3, when the cache interceptor is composed with a downstream handler that throws during response processing (such as the built-in dump interceptor exceeding its maxSize, or the decompress interceptor rejecting more than five Content-Encoding values), a throw raised asynchronously while a cached response is replayed escapes as an uncaught exception or unhandled promise rejection and terminates the Node.js process. A malicious or compromised HTTP server can crash any such client by serving a cacheable response that triggers the throw on replay, including on a 304 revalidation of a stale entry, so the impact is availability only. The issue is fixed in undici 7.30.2 and 8.12.4, and users should upgrade to one of those versions or later. As a workaround, avoid composing the cache interceptor with a response handler that throws during response processing until upgrading.
Severity
5.9 (Medium)
Assigner
openjs
CNA
References
Impacted products
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CVE-2026-120216 (GCVE-0-2026-120216)
Vulnerability from cvelistv5 – Published: 2026-11-02 11:08 – Updated: 2026-11-02 16:56
VLAI
EPSS
VEX
Title
fastify vulnerable to Denial of Service via uncaught exception on handlerTimeout with streaming responses
Summary
fastify is a web framework for Node.js. In versions 5.8.0 through 5.12.7, when the server is configured with a nonzero handlerTimeout and a route returns a streaming response, a request whose stream has already sent its headers but stays open past the timeout crashes the server. When the timeout fires, Fastify tries to send a new error response on a response that has already started, raising an uncaught ERR_HTTP_HEADERS_SENT that terminates the Node.js process and interrupts any other in-flight requests. An unauthenticated remote client can trigger this with a single request to an affected streaming endpoint, so the impact is availability only, and exploitation requires the non-default handlerTimeout to be set. The default handlerTimeout of 0 is not affected. The issue is fixed in fastify 5.12.8, and users should upgrade to 5.12.8 or later. As a workaround, set handlerTimeout to 0, which disables the affected timeout path.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 16:55 UTC
CWE
- CWE-248 - Uncaught Exception
Assigner
openjs
CNA
References
Impacted products
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CVE-2026-120215 (GCVE-0-2026-120215)
Vulnerability from cvelistv5 – Published: 2026-11-02 10:20 – Updated: 2026-11-02 17:04
VLAI
EPSS
VEX
Title
@fastify/cors vulnerable to Denial of Service on a CORS preflight with the onSend hook
Summary
@fastify/cors is the CORS plugin for the Fastify web framework. In versions 8.2.0 through 11.3.x, an application that registers the plugin with the non-default onSend hook option crashes on a CORS preflight. On an OPTIONS request that carries the Origin and Access-Control-Request-Method headers, the plugin calls reply.send from inside the onSend hook and re-enters the send pipeline, so a second write of the response headers throws an uncaught ERR_HTTP_HEADERS_SENT that can terminate the Node.js process when no process-level handler is installed. An unauthenticated remote client can trigger this with a single preflight request, so the impact is availability only, and exploitation requires the non-default onSend configuration. The issue is fixed in @fastify/cors 11.4.0, where onSend is no longer an accepted hook value and registration fails with a clear error instead of crashing at request time, and users should upgrade to 11.4.0 or later. As a workaround, use any other hook such as the default onRequest, or set preflight to false.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 17:03 UTC
CWE
- CWE-248 - Uncaught Exception
Assigner
openjs
CNA
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| @fastify/cors | @fastify/cors |
Affected:
8.2.0 , < 11.4.0
(semver)
Unaffected: 11.4.0 (semver) |
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.