{"schema":"threatline.record/2","record":{"id":"CVE-2026-114463","aliases":[],"summary":"CVE-2026-114463","details":"The webhook platform gateway in Nous Research Hermes Agent versions builds the session chat_id as webhook:{route_name}:{delivery_id} and re-derives the authorizing route by splitting that string, so a route name containing a \":\" resolves toolset authorization to a different, higher-privileged prefix route than the one authenticated, which allows a remote attacker with the target HMAC to gain that higher-privileged route's toolsets.","categories":["Unclassified"],"product":"Hermes Agent","vendor":"Nous Research","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-114463","source_modified_at":"2026-10-21T19:25:04.202Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Hermes Agent","vendor":"Nous Research","versions":[{"status":"affected","version":"0","lessThanOrEqual":"2026.8.19","versionType":"custom"}],"defaultStatus":null}],"fixed_versions":[],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00366,"percentile":0.293,"score_date":"2026-10-23"},"published_at":"2026-10-21T15:01:02.634Z","modified_at":"2026-10-21T19:25:04.202Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-114463","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-21T19:25:04.202Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-114463","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/NousResearch/hermes-agent/pull/115285"},{"source":"CVE List","url":"https://github.com/NousResearch/hermes-agent/releases/tag/v0.22.2"},{"source":"CVE List","url":"https://github.com/pinarsadioglu/security-advisories/blob/main/webhook-route-authz-bypass.md"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-21T19:25:04.202Z","content_hash":"979101ffb7f5d408d0044ecfac9bc35f02befb1db2c2db4e6aa236356f76e8d3"}}
