{"id":"CVE-2026-114463","title":"CVE-2026-114463","summary":"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…","severity":"none","cwe":["CWE-863"],"vendor":"Nous Research","product":"Hermes Agent","affected":["hermes_agent <= 2026.8.19"],"published":"2026-10-21","updated":"2026-10-21","sourceUpdated":"2026-10-21T19:25:04.202Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-114463","references":[{"url":"https://github.com/NousResearch/hermes-agent/pull/115285"},{"url":"https://github.com/NousResearch/hermes-agent/releases/tag/v0.22.2"},{"url":"https://github.com/pinarsadioglu/security-advisories/blob/main/webhook-route-authz-bypass.md"}],"tags":["cve.org"],"ingestedAt":"2026-10-21T16:05:17.709Z","slug":"CVE-2026-114463","body":"## Overview\n\nThe 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.\n\n## Affected\n\n- `hermes_agent <= 2026.8.19`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}