fast-jwt: Incomplete fix for CVE-2023-48223: JWT Algorithm Confusion via Whitespace-Prefixed RSA Public Key

Summary The fix for GHSA-c2ff-88x2-x9pg CVE-2023-48223 is incomplete. The publicKeyPemMatcher regex in fast-jwt/src/crypto.js uses a ^ anchor that is defeated by any leading whitespace in the key string, re-enabling the exact same JWT algorithm confusion attack that the CVE patched. Details The f...

CVE-2026-33746

Convoy is a KVM server management panel for hosting businesses. From version 3.9.0-beta to before version 4.5.1, the JWTService::decode method did not verify the cryptographic signature of JWT tokens. While the method configured a symmetric HMAC-SHA256 signer via lcobucci/jwt, it only validated...

CVE-2026-33746 Convoy: JWT Signature Verification Bypass Allows Authentication as Arbitrary Users

Convoy is a KVM server management panel for hosting businesses. From version 3.9.0-beta to before version 4.5.1, the JWTService::decode method did not verify the cryptographic signature of JWT tokens. While the method configured a symmetric HMAC-SHA256 signer via lcobucci/jwt, it only validated...

org.keycloak.protocol.oidc: Blind Server-Side Request Forgery (SSRF) in Keycloak OIDC Dynamic Client Registration via jwks_uri

A flaw was identified in Keycloak’s OpenID Connect Dynamic Client Registration feature when clients authenticate using privatekeyjwt. The issue allows a client to specify an arbitrary jwksuri, which Keycloak then retrieves without validating the destination. This enables attackers to coerce the...

Medium: python-jwt

Issue Overview: A missing verification step has been discovered in PyJWT. PyJWT does not validate the crit Critical Header Parameter defined in RFC 7515 SS4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the library accepts the token instead of...

jose vulnerable to untrusted JWK header key acceptance during signature verification

Impact A vulnerability in jose versions up to and including 0.3.5 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 treat header-provided jwk as a verification candidat...

CVE-2026-31946

OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. From version 10.5.4 to before version 20.2.5, OpenOLAT's OpenID Connect implicit flow implementation does not verify JWT signatures. The JSONWebToken.parse method silently discards the...

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...

Exploit for CVE-2026-29000

CVE-2026-29000 — pac4j-jwt JWE Authentication Bypass Lab...

PT-2026-29420

Name of the Vulnerable Software and Affected Versions Cloudreve versions prior to 4.13.0 Description Cloudreve is a self-hosted file management and sharing system. Versions prior to 4.13.0 use a weak pseudo-random number generator math/rand seeded with time to generate critical security secrets,...

CVE-2026-31946 OpenOLAT: Authentication bypass via forged JWT in OIDC implicit flow

OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. From version 10.5.4 to before version 20.2.5, OpenOLAT's OpenID Connect implicit flow implementation does not verify JWT signatures. The JSONWebToken.parse method silently discards the...

CVE-2026-31946

OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. From version 10.5.4 to before version 20.2.5, OpenOLAT's OpenID Connect implicit flow implementation does not verify JWT signatures. The JSONWebToken.parse method silently discards the...

CVE-2026-31946 OpenOLAT: Authentication bypass via forged JWT in OIDC implicit flow

OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. From version 10.5.4 to before version 20.2.5, OpenOLAT's OpenID Connect implicit flow implementation does not verify JWT signatures. The JSONWebToken.parse method silently discards the...

PT-2026-29122

Name of the Vulnerable Software and Affected Versions OpenOlat versions 10.5.4 through 20.2.4 Description OpenOlat is a web-based e-learning platform. The OpenID Connect implicit flow implementation does not verify JSON Web Token JWT signatures. The JSONWebToken.parse method discards the signatur...

BIT-MINIO-2026-33322 MinIO: JWT Algorithm Confusion in OIDC Authentication

MinIO is a high-performance object storage system. From 2022.11.08 to before 2026.03.17, a JWT algorithm confusion vulnerability in MinIO's OpenID Connect authentication allows an attacker who knows the OIDC ClientSecret to forge arbitrary identity tokens and obtain S3 credentials with any policy...

GO-2026-4703 Centrifugo's InsecureSkipTokenSignatureVerify flag silently disables JWT verification with no warning in github.com/centrifugal/centrifugo

Centrifugo's InsecureSkipTokenSignatureVerify flag silently disables JWT verification with no warning in github.com/centrifugal/centrifugo...

CVE-2026-32890

Anchorr is a Discord bot for requesting movies and TV shows and receiving notifications when items are added to a media server. In versions 1.4.1 and below, a stored Cross-site Scripting XSS vulnerability in the web dashboard's User Mapping dropdown allows any unprivileged Discord user in the...

CVE-2026-33322

MinIO is a high-performance object storage system. From RELEASE.2022-11-08T05-27-07Z to before RELEASE.2026-03-17T21-25-16Z, a JWT algorithm confusion vulnerability in MinIO's OpenID Connect authentication allows an attacker who knows the OIDC ClientSecret to forge arbitrary identity tokens and...

SUSE-SU-2026:20839-1 Security update for python-PyJWT

This update for python-PyJWT fixes the following issue: Update to PyJWT 2.12.1: - CVE-2026-32597: PyJWT accepts unknown crit header extensions bsc1259616. Changelog: Update to 2.12.1: - Add missing typingextensions dependency for Python 3.11 in 1150 Update to 2.12.0: - Annotate PyJWKSet.keys for...

SUSE CVE-2026-30223

OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.11.1, when JWT authentication is configured using either "authJwtPubKeyPath" local RSA public key or "authJwtHmacSecret" HMAC secret, the configured audience value authJwtAud is not enforced during toke...