{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-56104/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-23T14:42:38.931Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-56104","@id":"https://www.cve.org/CVERecord?id=CVE-2026-56104","description":"Chainlit before 2.10.1 contains a session hijacking vulnerability that allows unauthenticated attackers to restore and inherit authenticated user sessions by presenting a valid sessionId during WebSocket session restoration without ownership verification. Attackers can exploit the restore_existing_session path to assume a victim's permissions and roles, enabling unauthorized invocation of tools and access to data restricted to the authenticated victim."},"products":[{"@id":"cpe:2.3:a:chainlit:chainlit:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:chainlit:chainlit:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 2.10.1.","timestamp":"2026-06-23T14:42:38.931Z"}]}