CVE-2026-33544 Tinyauth has OAuth account confusion via shared mutable state on singleton service instances

Tinyauth is an authentication and authorization server. Prior to version 5.0.5, all three OAuth service implementations GenericOAuthService, GithubOAuthService, GoogleOAuthService store PKCE verifiers and access tokens as mutable struct fields on singleton instances shared across all concurrent...

Race Condition

Overview Affected versions of this package are vulnerable to Race Condition in the GenericOAuthService, GithubOAuthService, GoogleOAuthService Auth services. An attacker can gain unauthorized access to another user's session and associated resources by timing concurrent OAuth login requests to...