ash-authentication-oauth2-oidc-account-takeover-cve-2026-49757-email-based-user-matching

CVE-2026-49757 — AshAuthentication OAuth2/OIDC Account Takeover Proof of Concept for CVE-2026-49757 — a critical vulnerability in AshAuthentication where OAuth2/OIDC callbacks resolved to local user accounts by email address instead of the strategy, sub identity pair, allowing unauthenticated...