CVE-2026-42300

CVE-2026-42300 affects DevGuard’s SessionMiddleware and related components prior to version 1.2.2. The vulnerability arises because a client-supplied header, X-Admin-Token , is accepted and its raw value is used as the authenticated userID when no Kratos session cookie is present. An attacker who...

CVE-2026-42300 DevGuard: Unauthenticated identity assertion via `X-Admin-Token` header

DevGuard provides vulnerability management for the full software supply chain. Prior to 1.2.2, the SessionMiddleware accepts a client-supplied X-Admin-Token HTTP request header and uses its raw string value as the authenticated userID when no Kratos session cookie is present. An unauthenticated...