EUVD-2026-80389

A JWT signature verification vulnerability affects Kong components that perform JWT validation for MCP OAuth2 or DataKit integrations inside Kong API Gateway Enterprise. The affected code does not properly validate that the JWT signing algorithm is compatible with the type of key used for...

CVE-2026-45156-POC

Glitch Matrix Hacker 🚨 CVE-2026-45156 🚨 Vulnerabilidad de Omisión de Firma JWT ID4me en useroidc de Nextcloud Explotación de Prueba de Concepto PoC Totalmente Automatizada para la Toma de Control Administrativo. 📖 La Historia Detrás de cada CVE hay una historia. Este se encontró a las 2 AM en una...

CVE-2026-87802 Apache Syncope: SRA OAuth2 JWT signature verification bypass

Improper verification of cryptographic signature vulnerability in Apache Syncope. When SRA is configured for OAuth 2.0 without JWKS set URI assigned, an attacker can forge arbitrary JWTs to impersonate any user identity and permissions, gaining full access to services proxied by SRA. This issue...

CVE-2026-87802

Apache Syncope is vulnerable to a JWT signature verification bypass in its SRA (Service Router/Aggregator) component. When SRA is configured for OAuth 2.0 without a JWKS URI assigned , an attacker can forge arbitrary JWTs to impersonate any user identity and permissions, gaining full access to se...

CVE-2026-59243

CVE-2026-59243 — Omisión de verificación de firma JWT en Apache Airflow FAB Auth Manager Coreano: README.ko.md Aviso de Apache: https://lists.apache.org/thread/x4784l7z00tl3gw4tv2dmvoon77rxgpl publicado el 2026-07-29 Registro CVE: https://vulners.com/cve/CVE-2026-59243 Corregido en:...

RDK-B WebUI contains multiple vulnerabilities

Overview RDK Central RDK-B WebUI version, rdkb-2025q4-kirkstone, contains multiple vulnerabilities involving memory corruption, improper authentication, race conditions, and insufficient input validation. An attacker with network access to an affected WebUI may be able to bypass authentication,...

CVE-2025-9210 Missing JSON Web Token signature validation in Otalio Ship Property Management System

Missing signature validation in JSON Web Tokens in Otalio Ship Property Management System versions before 2.22.0 allows authenticated attackers to escalate privileges via tampering with JWTs...

CVE-2026-45156 Nextcloud: Authentication Bypass in ID4me handling via Missing JWT Signature Verification in User OIDC

Nextcloud is an open source content collaboration platform. From versions 0.3.0 to before 3.1.0, 5.0.0 to before 5.1.0, and 6.0.0 to before 6.4.0, a missing signature verification in User OIDC allowed a malicious ID4me authority to identify as any user. This issue has been patched in versions...

Authentication Bypass in ID4me handling via Missing JWT Signature Verification in User OIDC

None...

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...

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...

CVE-2026-23518

Fleet is open source device management software. CVE-2026-23518 describes a JWT signature bypass in Fleet’s Windows MDM enrollment flow, where attacker-supplied tokens could be accepted without proper JWT verification, allowing enrollment of unauthorized devices under arbitrary Azure AD identitie...

CVE-2023-25574

jupyterhub-ltiauthenticator is a JupyterHub authenticator for learning tools interoperability LTI. LTI13Authenticator that was introduced in jupyterhub-ltiauthenticator 1.3.0 wasn't validating JWT signatures. This is believed to allow the LTI13Authenticator to authorize a forged request. Only use...

EUVD-2023-29521

Malicious code in bioql PyPI...

EUVD-2022-5902

Malicious code in bioql PyPI...

EUVD-2025-13289

Malicious code in bioql PyPI...

EUVD-2022-2304

Malicious code in bioql PyPI...

CVE-2024-48916 Ceph is vulnerable to authentication bypass through RadosGW

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 JWT signature is not checked. The vulnerability is most likely in the RadosGW OIDC provider. As of time of publication, a kno...

CVE-2024-48916

CVE-2024-48916 affects Ceph’s RadosGW OIDC provider used by IBM Storage Ceph. In versions 19.2.3 and below, it is possible to submit a JWT with the alg set to “none,” causing the signature to be unchecked (authentication bypass). IBM’s bulletin lists affected IBM Storage Ceph versions: 6.0, 6.1z0...

CVE-2024-48916 Ceph is vulnerable to authentication bypass through RadosGW

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 JWT signature is not checked. The vulnerability is most likely in the RadosGW OIDC provider. As of time of publication, a kno...