CVE-2026-34240 jose vulnerable to untrusted JWK header key acceptance during signature verification

JOSE is a Javascript Object Signing and Encryption JOSE library. Prior to version 0.3.5+1, a vulnerability in jose could allow an unauthenticated, remote attacker to forge valid JWS/JWT tokens by using a key embedded in the JOSE header jwk. The vulnerability exists because key selection could tre...

CVE-2026-34240: Improper Verification of Cryptographic Signature

JOSE is a Javascript Object Signing and Encryption JOSE library. Prior to version 0.3.5+1, a vulnerability in jose could allow an unauthenticated, remote attacker to forge valid JWS/JWT tokens by using a key embedded in the JOSE header jwk. The vulnerability exists because key selection could tre...

GHSA-752W-5FWX-JX9F PyJWT accepts unknown `crit` header extensions

Summary PyJWT does not validate the crit Critical Header Parameter defined in RFC 7515 §4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the library accepts the token instead of rejecting it. This violates the MUST requirement in the RFC. This is t...

AZL-93030 CVE-2026-32597 affecting package python-jwt for versions less than 2.13.0-1

PyJWT is a JSON Web Token implementation in Python. Prior to 2.12.0, PyJWT does not validate the crit Critical Header Parameter defined in RFC 7515 §4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the library accepts the token instead of rejecting...

DEBIAN-CVE-2026-32597

PyJWT is a JSON Web Token implementation in Python. Prior to 2.12.0, PyJWT does not validate the crit Critical Header Parameter defined in RFC 7515 §4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the library accepts the token instead of rejecting...

PYSEC-2026-120

PyJWT is a JSON Web Token implementation in Python. Prior to 2.12.0, PyJWT does not validate the crit Critical Header Parameter defined in RFC 7515 §4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the library accepts the token instead of rejecting...

CVE-2026-32597

PyJWT is a JSON Web Token implementation in Python. Prior to 2.12.0, PyJWT does not validate the crit Critical Header Parameter defined in RFC 7515 §4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the library accepts the token instead of rejecting...

pyjwt 安全漏洞

pyjwt is a Python library developed by José Padilla from the United States. It allows for the encoding and decoding of JSON Web Tokens JWTs. pyjwt has security vulnerabilities, stemming from the lack of validation for the crit header parameter. This vulnerability may allow the acceptance of JWS...

Security Bulletin: Authlib JOSE Denial of Service via Unbounded JWS or JWT Header and Signature Parsing, affects watsonx.data

Summary Authlib versions before 1.6.5 are vulnerable to a denial-of-service attack where oversized JWS/JWT headers or signatures consume excessive CPU and memory during parsing. The issue is fixed in 1.6.5, temporary mitigations include enforcing token size limits and request throttling. This can...

Security Bulletin: auth0/node-jws HS256 signature verification bypass via improper HMAC secret handling (≤3.2.2, 4.0.0)

Summary auth0/node-jws HS256 signature verification bypass due to improper HMAC secret handling versions ≤ 3.2.2 and 4.0.0 Vulnerability Details CVEID:CVE-2025-65945 DESCRIPTION: auth0/node-jws is a JSON Web Signature implementation for Node.js. In versions 3.2.2 and earlier and version 4.0.0,...

Security Bulletin: Security Vulnerabilities affect IBM Voice Gateway

Summary Security Vulnerabilities affect IBM Voice Gateway. The vulnerabilities have been addressed. Vulnerability Details CVEID:CVE-2025-65945 DESCRIPTION: auth0/node-jws is a JSON Web Signature implementation for Node.js. In versions 3.2.2 and earlier and version 4.0.0, auth0/node-jws has an...

Security Bulletin: Multiple vulnerabilities in IBM watsonx Orchestrate Developer Edition

Summary Multiple vulnerabilities were addressed in IBM watsonx Orchestrate Developer Edition version 2.3.0 Vulnerability Details CVEID:CVE-2025-57319 DESCRIPTION: fast-redact is a package that provides do very fast object redaction. A Prototype Pollution vulnerability in the nestedRestore functio...

Security Bulletin: IBM Edge Data Collector uses jws-3.2.2.tgz which are vulnerable to CVE-2025-65945.

Summary IBM Edge Data Collector uses jws-3.2.2.tgz which are vulnerable to CVE-2025-65945. This bulletin contains information regarding the vulnerability and its fixture. Vulnerability Details CVEID:CVE-2025-65945 DESCRIPTION: auth0/node-jws is a JSON Web Signature implementation for Node.js. In...

Exploit for CVE-2025-65945

CVE-2025-65945: node-jws Signature Bypass This is a proof of...

CVE-2025-65945

auth0/node-jws is a JSON Web Signature implementation for Node.js. In versions 3.2.2 and earlier and version 4.0.0, auth0/node-jws has an improper signature verification vulnerability when using the HS256 algorithm under specific conditions. Applications are affected when they use the...

CVE-2025-65945

auth0/node-jws is a JSON Web Signature implementation for Node.js. In versions 3.2.2 and earlier and version 4.0.0, auth0/node-jws has an improper signature verification vulnerability when using the HS256 algorithm under specific conditions. Applications are affected when they use the...

@bigchaindb/jwt (>=0.0.18, <=0.0.20), @compas/store (>=0.0.172, <=0.20.0) +34 more potentially affected by CVE-2025-65945 via jws (4.0.0)

jws NPM version 4.0.0 is affected by a known vulnerability. The following packages have a transitive dependency on jws and may be impacted: - @bigchaindb/jwt =0.0.18, =0.0.172, =11.8.0, =1.0.0-beta.2, =1.1.0, =15.2.0, =17.1.6, =13.0.0, =10.1.0, =10.4.0, =10.1.0, =10.3.0-snapshot, =0.1.11, =2.5.5,...

CVE-2025-65945 auth0/node-jws improper HMAC signature verification vulnerability

auth0/node-jws is a JSON Web Signature implementation for Node.js. In versions 3.2.2 and earlier and version 4.0.0, auth0/node-jws has an improper signature verification vulnerability when using the HS256 algorithm under specific conditions. Applications are affected when they use the...

CVE-2025-65945 auth0/node-jws improper HMAC signature verification vulnerability

auth0/node-jws is a JSON Web Signature implementation for Node.js. In versions 3.2.2 and earlier and version 4.0.0, auth0/node-jws has an improper signature verification vulnerability when using the HS256 algorithm under specific conditions. Applications are affected when they use the...

CVE-2025-65945

auth0/node-jws is a JSON Web Signature implementation for Node.js. In versions 3.2.2 and earlier and version 4.0.0, auth0/node-jws has an improper signature verification vulnerability when using the HS256 algorithm under specific conditions. Applications are affected when they use the...