OESA-2026-3974 rest security update

This library has been designed to make it easier to access web services that claim to be "RESTful". It comprises of two parts: the first aims to make it easier to make requests by providing a wrapper around libsoup, the second aids with XML parsing by wrapping libxml2. Security Fixes: A flaw was...

Linux Distros Unpatched Vulnerability : CVE-2026-48717

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Open Access Management OpenAM is an access management solution. Prior to 16.1.1, AuthorizationCodeGrantTypeHandler requires a codeverifier only when the...

CVE-2026-48717

Open Access Management OpenAM is an access management solution. Prior to 16.1.1, AuthorizationCodeGrantTypeHandler requires a codeverifier only when the realm-wide codeVerifierEnforced setting is enabled, even when an authorization code stores a codechallenge. Because that setting is disabled by...

CVE-2026-48717

OpenAM Community Edition (through 16.0.6) contains an Improper Authorization flaw (CWE-285) in its OAuth2 authorization-code grant flow. The token endpoint only validates code_verifier when the realm-wide codeVerifierEnforced setting is enabled—a setting that ships disabled by default . When an a...

CVE-2026-48717 OpenAM OAuth Authorization Bypass via PKCE Challenge

Open Access Management OpenAM is an access management solution. Prior to 16.1.1, AuthorizationCodeGrantTypeHandler requires a codeverifier only when the realm-wide codeVerifierEnforced setting is enabled, even when an authorization code stores a codechallenge. Because that setting is disabled by...

EUVD-2026-78369

Open Access Management OpenAM is an access management solution. Prior to 16.1.1, AuthorizationCodeGrantTypeHandler requires a codeverifier only when the realm-wide codeVerifierEnforced setting is enabled, even when an authorization code stores a codechallenge. Because that setting is disabled by...

Exploit for CVE-2026-73309

CVE-2026-73309 XenForo before 2.3.13 can skip OAuth2 client-s...

CVE-2026-63687

A flaw was found in Apache CXF. This vulnerability allows an attacker, who has compromised a client's secret, to bypass critical security protections in the authorization process. By injecting malicious values for parameters like codechallenge and nonce, the attacker can undermine the integrity o...

CVE-2026-18165

@fastify/oauth2 is an OAuth 2.0 plugin for Fastify. In versions from 7.2.0 up to but not including 8.3.0, the plugin validates the OAuth state, and with PKCE the code verifier, by comparing the callback query parameter against an unprefixed, predictable cookie, with no server-side binding to the...

CVE-2026-18165

Summary: CVE-2026-18165 affects @fastify/oauth2 in versions 7.2.0 up to, but not including, 8.3.0. The vulnerability arises from validating the OAuth state and PKCE code verifier by comparing the callback query parameter to an unprefixed, predictable cookie, with no server-side binding to the ini...

EUVD-2026-57601

NextAuth.js provides authentication for Next.js. Prior to@auth/core 0.41.3 and next-auth 4.24.15 and 5.0.0-beta.32, Auth.js stores the OAuth/OIDC anti-CSRF checks state, nonce, and the PKCE verifier in global cookies that are not bound to the provider that created them. On callback, a check value...

CVE-2026-73419

NextAuth.js/NMD vulnerability CVE-2026-73419 affects Auth.js OAuth/OIDC flow cookies. Prior to Auth.js @auth/core 0.41.3 and NextAuth.js 4.24.15 or 5.0.0-beta.32, state, nonce, and PKCE verifier were stored in global cookies not bound to the originating provider. On callback, a value from one pro...

SUSE CVE-2026-16615

A flaw was found in librest. The PKCE implementation for OAuth authorization uses the GRand function from the GLib API, a cryptographically insecure pseudo-random number generator. Because the generated "code verifier" lacks sufficient cryptographic entropy, a malicious actor can reverse-engineer...

DEBIAN-CVE-2026-16615

A flaw was found in librest. The PKCE implementation for OAuth authorization uses the GRand function from the GLib API, a cryptographically insecure pseudo-random number generator. Because the generated "code verifier" lacks sufficient cryptographic entropy, a malicious actor can reverse-engineer...

CVE-2026-8590 Spotfire OAuth2 PKCE Bypass for public clients

Vulnerability in Spotfire Spotfire Enterprise Spotfire Server modules, Spotfire Spotfire Enterprise with External Consumers Spotfire Server modules, Spotfire Spotfire on Kubernetes Spotfire Server modules. This issue affects Spotfire Enterprise: through 14.0.12, through 14.4.2, through 14.5.0,...

PKCE Bypass

@cloudflare/workers-oauth-provider is vulnerable to PKCE bypass. The vulnerability is due to missing enforcement of PKCE verification caused by a flaw in the OAuth implementation that lets attackers skip the code challenge check, allowing an attacker to intercept and redeem authorization codes fo...

@cloudflare/workers-oauth-provider PKCE bypass via downgrade attack

Summary PKCE was implemented in the OAuth implementation in workers-oauth-provider that is part of MCP framework. However, it was found that an attacker could cause the check to be skipped. Impact PKCE is a defense-in-depth mechanism against certain kinds of attacks and was an optional extension ...

GHSA-QGP8-V765-QXX9 @cloudflare/workers-oauth-provider PKCE bypass via downgrade attack

Summary PKCE was implemented in the OAuth implementation in workers-oauth-provider that is part of MCP framework. However, it was found that an attacker could cause the check to be skipped. Impact PKCE is a defense-in-depth mechanism against certain kinds of attacks and was an optional extension ...

GHSA-VH4H-FVQF-Q9WV Duplicate Advisory: @cloudflare/workers-oauth-provider PKCE bypass via downgrade attack

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-qgp8-v765-qxx9. This link is maintained to preserve external references. Original Description PKCE was implemented in the OAuth implementation in workers-oauth-provider that is part of MCP framework...

Duplicate Advisory: @cloudflare/workers-oauth-provider PKCE bypass via downgrade attack

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-qgp8-v765-qxx9. This link is maintained to preserve external references. Original Description PKCE was implemented in the OAuth implementation in workers-oauth-provider that is part of MCP framework...