{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-55197/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-17T18:51:38.359Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-55197","@id":"https://www.cve.org/CVERecord?id=CVE-2026-55197","description":"Hermes WebUI before 0.51.443 contains a broken access control vulnerability in the /api/session endpoint that allows authenticated users to disclose cross-profile session transcripts. Attackers can bypass profile boundary checks by directly querying session IDs belonging to other profiles via GET /api/session?session_id=<foreign_id>&messages=1 to retrieve unauthorized conversation transcripts and metadata."},"products":[{"@id":"cpe:2.3:a:nesquena:hermes-webui:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:nesquena:hermes-webui:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 0.51.443.","timestamp":"2026-06-17T18:51:38.359Z"}]}