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...

CVE-2026-33746

Convoy (KVM server management panel) is vulnerable in versions 3.9.0-beta through

EUVD-2026-18354

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...

Convoy 数据伪造问题漏洞

Convoy is an open-source platform developed by Convoy for hosting providers and enthusiasts. Versions of Convoy from 3.9.0-beta to 4.5.1 contained a data manipulation vulnerability due to insufficient validation of JWT token signatures, which could lead to authentication bypasses...

OpenBao Authorization Issues Vulnerability

OpenBao is OpenBao open source a sensitive data management software . OpenBao there is an authorization problem vulnerability , the vulnerability stems from JWT/OIDC login and role callbackmode is set to direct when the user is not prompted to confirm , an attacker can use this vulnerability lead...

PT-2026-29968

Name of the Vulnerable Software and Affected Versions fast-jwt affected versions not specified Description The fast-jwt library contains an incomplete fix for a JWT algorithm confusion issue. The public key matcher regex in fast-jwt/src/crypto.js uses a leading anchor that can be bypassed by...

The vulnerability of the JWT implementation in Python PyJWT lies in the insufficient verification of data authenticity. This allows attackers to circumvent existing security mechanisms.

The vulnerability of the JWT implementation in Python PyJWT is related to insufficient verification of data authenticity. Exploiting this vulnerability allows a malicious actor to bypass existing security mechanisms remotely...

GHSA-VM9R-H74P-HG97 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-2026-34240

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-2026-31946

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...

EUVD-2026-17207

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 OpenID Connect implicit flow (versions 10.5.4–before 20.2.5) does not verify JWT signatures. The JSONWebToken.parse() method discards the signature segment, and getAccessToken() validates only issuer/audience/state/nonce, without cryptographic verification against the IdP’s JWKS. This ca...

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...

NewStart CGSL MAIN 7.02 : ceph Vulnerability (NS-SA-2026-0039)

The remote NewStart CGSL host, running version MAIN 7.02, has ceph packages installed that are affected by a vulnerability: - Ceph is a distributed object, block, and file storage platform. In versions 19.2.3 and below, it is possible to send an JWT that has none as JWT alg. And by doing so the J...

CVE-2026-33758

A flaw was found in OpenBao. Installations that have an OIDC/JWT authentication method enabled with a role configured to use callbackmode=direct are vulnerable to XSS via the errordescription parameter on the page for a failed authentication. This allows an attacker to access the token used by an...

CVE-2026-33757

A flaw was found in OpenBao. A missing prompt for user confirmation when logging in via the JWT/OIDC authentication method with a role configured to use callbackmode=direct allows an attacker to initiate an authentication request and perform a "remote phishing" attack by tricking an authenticated...

CVE-2026-33757

OpenBao is an open source identity-based secrets management system. Prior to version 2.5.2, OpenBao does not prompt for user confirmation when logging in via JWT/OIDC and a role with callbackmode set to direct. This allows an attacker to start an authentication request and perform "remote phishin...

CVE-2026-33758

OpenBao is an open source identity-based secrets management system. Prior to version 2.5.2, OpenBao installations that have an OIDC/JWT authentication method enabled and a role with callbackmode=direct configured are vulnerable to XSS via the errordescription parameter on the page for a failed...

CVE-2026-33757

OpenBao is an open source identity-based secrets management system. Prior to version 2.5.2, OpenBao does not prompt for user confirmation when logging in via JWT/OIDC and a role with callbackmode set to direct. This allows an attacker to start an authentication request and perform "remote phishin...

GO-2026-4702 Centrifugo: SSRF via unverified JWT claims interpolated into dynamic JWKS endpoint URL in github.com/centrifugal/centrifugo

Centrifugo: SSRF via unverified JWT claims interpolated into dynamic JWKS endpoint URL in github.com/centrifugal/centrifugo...