CVE-2026-73179

Improper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider in Apache CXFallows a remote attacker to obtain multiple valid access tokens from a single authorization code via concurrent token exchange requests that race the non-atomic...

CVE-2026-73179: Time-of-check Time-of-use (TOCTOU) Race Condition

Improper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider in Apache CXFallows a remote attacker to obtain multiple valid access tokens from a single authorization code via concurrent token exchange requests that race the non-atomic...

SUSE CVE-2026-26232

Gitea versions before 1.25.5 do not consistently enforce OAuth2 authorization code expiry and single-use behavior during token exchange...

CVE-2026-73311: Authentication Bypass by Capture-replay

XenForo before 2.3.13 contains an OAuth2 authorization code reuse vulnerability that allows attackers to obtain unauthorized token pairs by submitting a previously used authorization code. Attackers can exploit the failure to invalidate or mark authorization codes as consumed after initial token...

PT-2026-87056

XenForo before 2.3.13 contains an OAuth2 authorization code reuse vulnerability that allows attackers to obtain unauthorized token pairs by submitting a previously used authorization code. Attackers can exploit the failure to invalidate or mark authorization codes as consumed after initial token...

Server-side Request Forgery (SSRF)

Overview n8n-nodes-base is a Base nodes of n8n Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the OAuth2 authorization-code-to-access-token exchange, which issues its request through a separate HTTP client that lacks the SSRF guard applied to the discovery...