{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-53869/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-17T17:57:30.978Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-53869","@id":"https://www.cve.org/CVERecord?id=CVE-2026-53869","description":"Hermes Agent before 0.16.0 contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation. FastAPI HTTP middleware does not execute for WebSocket upgrade requests on /api/pty, /api/ws, /api/pub, and /api/events endpoints, enabling attackers to exploit DNS rebinding and inject malicious commands or read terminal output."},"products":[{"@id":"cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 0.16.0.","timestamp":"2026-06-17T17:57:30.978Z"}]}