CVE-2026-42565

Summary of CVE-2026-42565 : In @workos/authkit-session, prior to version 0.5.1, AuthService.handleCallback decodes and returns the returnPathname derived from the OAuth state parameter without validating origin or scheme. Attackers who influence the state can cause an attacker-controlled URL to b...

GHSA-VVVV-983W-R7PV @workos/authkit-session has an Open Redirect via state-derived redirect target

An open redirect vulnerability exists in AuthService.handleCallback due to insufficient validation of the returnPathname value derived from the OAuth state parameter. The state parameter is round-tripped through the identity provider IdP and can be influenced by an attacker. The handleCallback...