CVE-2026-28498

The Authlib Python library (prior to version 1.6.9 ) contains a library-level vulnerability in the OIDC ID Token validation logic. The internal _verify_hash function exhibits fail-open behavior when processing unsupported cryptographic algorithms in the alg header. Specifically, when create_half_...

CVE-2026-28498 Authlib: Fail-Open Cryptographic Verification in OIDC Hash Binding

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a library-level vulnerability was identified in the Authlib Python library concerning the validation of OpenID Connect OIDC ID Tokens. Specifically, the internal hash verification logic verifyhash...

CVE-2026-28498 Authlib: Fail-Open Cryptographic Verification in OIDC Hash Binding

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a library-level vulnerability was identified in the Authlib Python library concerning the validation of OpenID Connect OIDC ID Tokens. Specifically, the internal hash verification logic verifyhash...

CVE-2026-28498 Authlib: Fail-Open Cryptographic Verification in OIDC Hash Binding

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a library-level vulnerability was identified in the Authlib Python library concerning the validation of OpenID Connect OIDC ID Tokens. Specifically, the internal hash verification logic verifyhash...

CVE-2026-28490

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a cryptographic padding oracle vulnerability was identified in the Authlib Python library concerning the implementation of the JSON Web Encryption JWE RSA15 key management algorithm. Authlib registe...

CVE-2026-27962

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a JWK Header Injection vulnerability in authlib's JWS implementation allows an unauthenticated attacker to forge arbitrary JWT tokens that pass signature verification. When key=None is passed to any...

GHSA-M344-F55W-2M6J Authlib: Fail-Open Cryptographic Verification in OIDC Hash Binding

Executive Summary A critical library-level vulnerability was identified in the Authlib Python library concerning the validation of OpenID Connect OIDC ID Tokens. Specifically, the internal hash verification logic verifyhash responsible for validating the athash Access Token Hash and chash...

EUVD-2026-12482

Authlib: Fail-Open Cryptographic Verification in OIDC Hash Binding...

Authlib: Fail-Open Cryptographic Verification in OIDC Hash Binding

Executive Summary A critical library-level vulnerability was identified in the Authlib Python library concerning the validation of OpenID Connect OIDC ID Tokens. Specifically, the internal hash verification logic verifyhash responsible for validating the athash Access Token Hash and chash...

Authlib security vulnerability

Authlib is an open-source library developed by Authlib, designed as a ultimate Python library for building OAuth and OpenID Connect servers. Versions of Authlib prior to 1.6.9 contained security vulnerabilities. These vulnerabilities stemmed from the OpenID Connect ID token verification logic,...

Linux Distros Unpatched Vulnerability : CVE-2026-27962

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a JWK Header Injection vulnerability in authlib's JWS...

OESA-2026-1567 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: udp: Deal with race between UDP socket address change and rehash If a UDP socket changes its local address while it's receiving datagrams, as a result of connect...

OESA-2026-1570 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: udp: Deal with race between UDP socket address change and rehash If a UDP socket changes its local address while it's receiving datagrams, as a result of connect...

Security Bulletin: IBM App Connect Enterprise is vulnerable to denial of service due to Node.js module axios (CVE-2026-25639)

Summary IBM App Connect Enterprise runtime and IBM App Connect Enterprise Connector Discovery and OpenAPI Editor are vulnerable to denial of service due to Node.js module axios. Vulnerability Details CVEID:CVE-2026-25639 DESCRIPTION: Axios is a promise based HTTP client for the browser and Node.j...

Security Bulletin: IBM App Connect Enterprise is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') due to Lodash (CVE-2025-13465)

Summary IBM App Connect Enterprise runtime and IBM App Connect Enterprise Connector Discovery and OpenAPI Editor are vulnerable to Improperly Controlled Modification of Object Prototype Attributes 'Prototype Pollution' due to Lodash. Vulnerability Details CVEID:CVE-2025-13465 DESCRIPTION: Lodash...

ROS-20260313-73-0020

A vulnerability in the nbdgenlconnect function of the nbd component of the Linux operating system kernel is related to the ability to use memory after it has been freed. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

GO-2026-4689 Tinyauth's OIDC authorization codes are not bound to client on token exchange in github.com/steveiliop56/tinyauth

Tinyauth's OIDC authorization codes are not bound to client on token exchange in github.com/steveiliop56/tinyauth. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive report...

CVE-2026-32246

CVE-2026-32246 (Tinyauth) : Tinyauth authentication/authorization server before version 5.0.3 allows an attacker who knows a user’s password but not the TOTP secret to obtain an authorization code and valid OIDC tokens by abusing the OIDC authorization endpoint during a TOTP-pending session. This...

CVE-2026-32246 Tinyauth vulnerable to TOTP/2FA bypass via OIDC authorize endpoint

Tinyauth is an authentication and authorization server. Prior to 5.0.3, the OIDC authorization endpoint allows users with a TOTP-pending session password verified, TOTP not yet completed to obtain authorization codes. An attacker who knows a user's password but not their TOTP secret can obtain...

CVE-2026-32246

Tinyauth is an authentication and authorization server. Prior to 5.0.3, the OIDC authorization endpoint allows users with a TOTP-pending session password verified, TOTP not yet completed to obtain authorization codes. An attacker who knows a user's password but not their TOTP secret can obtain...