{"id":"CVE-2026-114463","published":"2026-10-21T16:17:34.087","lastModified":"2026-10-22T17:40:46.877","description":"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.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://github.com/NousResearch/hermes-agent/pull/115285","tags":[]},{"url":"https://github.com/NousResearch/hermes-agent/releases/tag/v0.22.2","tags":[]},{"url":"https://github.com/pinarsadioglu/security-advisories/blob/main/webhook-route-authz-bypass.md","tags":[]}],"exploitRefs":[{"url":"https://github.com/NousResearch/hermes-agent/pull/115285","tags":[]},{"url":"https://github.com/NousResearch/hermes-agent/releases/tag/v0.22.2","tags":[]},{"url":"https://github.com/pinarsadioglu/security-advisories/blob/main/webhook-route-authz-bypass.md","tags":[]}],"hasPoc":true,"ai":null}