CVE-2026-104056

A flaw was found in Authlib. The OpenID Connect OIDC and OAuth discovery metadata is cached without validating that returned endpoint addresses match the origin of the configured issuer. A remote attacker who supplies a malicious discovery response can replace legitimate service endpoints with...

CVE-2026-104056

Authlib version 1.7.2 and below contains a vulnerability where discovery JSON metadata is cached without validation or issuer-origin binding. This allows a poisoned discovery response to replace all endpoint values with attacker-controlled values rather than endpoint URLs that share the origin of...

CVE-2026-104056

The Authlib library (version 1.7.2 and below) is vulnerable to a flaw where OpenID Connect (OIDC) and OAuth discovery metadata are cached without validation or issuer-origin binding. A remote attacker providing a malicious discovery response can replace legitimate service endpoints with attacker-...

EUVD-2026-91003

Authlib version 1.7.2 and below contains a vulnerability where discovery JSON metadata is cached without validation or issuer-origin binding. This allows a poisoned discovery response to replace all endpoint values with attacker-controlled values rather than endpoint URLs that share the origin of...

Linux Distros Unpatched Vulnerability : CVE-2026-96760

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Authlib v1.7.2 and below contains a signature verification bypass vulnerability. The JsonWebSignature.deserializejson method accepts a JSON Serialization JWS...

Improper Verification of Cryptographic Signature

Overview authlib is a library in building OAuth and OpenID Connect servers. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the JsonWebSignature.deserializejson method in the JWS JSON serialization handling. An attacker can have unsigned or...

CVE-2026-96760

A flaw was found in authlib. This flaw allows a remote attacker to bypass digital signature verification and submit forged data. When processing a JSON Web Signature JWS, a format used to verify data integrity, the deserializejson function marks payloads as successfully verified without validatin...

CVE-2026-96760

Authlib v1.7.2 and below contains a signature verification bypass vulnerability. The JsonWebSignature.deserializejson method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key...

CVE-2026-96760

Authlib v1.7.2 and below contains a signature verification bypass vulnerability. The JsonWebSignature.deserializejson method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key...

UBUNTU-CVE-2026-96760

Authlib v1.7.2 and below contains a signature verification bypass vulnerability. The JsonWebSignature.deserializejson method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key...

CVE-2026-96760

The Authlib library (v1.7.2 and below) contains a signature verification bypass vulnerability within the JsonWebSignature.deserialize_json() method. When processing a JSON Serialization JWS object, the method returns the payload as successfully verified without validating a cryptographic signatur...

CVE-2026-96760 Authlib library contains a signature‑verification bypass vulnerability

Authlib v1.7.2 and below contains a signature verification bypass vulnerability. The JsonWebSignature.deserializejson method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key...

CVE-2026-96760 Authlib library contains a signature‑verification bypass vulnerability

Authlib v1.7.2 and below contains a signature verification bypass vulnerability. The JsonWebSignature.deserializejson method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key...

EUVD-2026-88465

Authlib v1.7.2 and below contains a signature verification bypass vulnerability. The JsonWebSignature.deserializejson method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key...

CVE-2026-96760 Authlib library contains a signature‑verification bypass vulnerability

Authlib v1.7.2 and below contains a signature verification bypass vulnerability. The JsonWebSignature.deserializejson method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key...

Authlib library contains a signature‑verification bypass vulnerability

Overview Authlib versions up to and including 1.7.2 contain a signature‑verification bypass in the JSON Web Signature JWS general JSON serialization handling. The JsonWebSignature.deserializejson function accepts a JWS object with an empty "signatures" array and treats the payload as successfully...

PT-2026-102339

Name of the Vulnerable Software and Affected Versions Authlib versions prior to 1.7.3 Description An issue exists in the JWS general JSON serialization handler where the JsonWebSignature.deserialize json function accepts a JWS object with an empty signatures array and treats the payload as...

CVE-2026-96760: Undefined Security Weakness

Authlib v1.7.2 and below contains a signature verification bypass vulnerability. The JsonWebSignature.deserializejson method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key...

The vulnerability of the OAuth authentication component for web applications based on the Starlette library, provided by the Authlib library for OAuth servers and OpenID Connect, allows a hacker to perform a CSRF attack.

The vulnerability of the OAuth authentication component for web applications based on the Starlette library, provided by the Authlib library for OAuth and OpenID Connect servers, is related to the manipulation of cross-site requests. Exploiting this vulnerability could allow a malicious actor to...

The vulnerability of the Authlib OAuth 2.0 library server against OAuth and OpenID Connect servers allows a hacker to redirect a user to any given URL address.

The vulnerability of the Authlib OAuth 2.0 library server for OAuth and OpenID Connect servers involves redirecting the URL to an unreliable website. Exploiting this vulnerability could allow a malicious actor to redirect users to any given URL address...