{"id":"CVE-2026-114463","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-114463","generatedAt":"2026-10-28T01:53:01.329Z","title":"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…","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.","published":"2026-10-21T16:17:34.000Z","lastModified":"2026-10-22T17:40:47.000Z","status":"Deferred","sourceIdentifier":"cret@cert.org","cvss":null,"cwe":[],"affected":[],"epss":{"score":0.00366,"percentile":0.3022,"date":"2026-10-26","history":[{"date":"2026-10-22","score":0.00366,"percentile":0.29276}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"unknown","text":"Not yet scored. NVD analysis is pending; check back once CVSS and EPSS values are published."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-21T16:17:34.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-21T16:17:34.087Z"},"summary":"New CVE, not yet scored."}],"references":[{"url":"https://github.com/NousResearch/hermes-agent/pull/115285","source":"cret@cert.org"},{"url":"https://github.com/NousResearch/hermes-agent/releases/tag/v0.22.2","source":"cret@cert.org"},{"url":"https://github.com/pinarsadioglu/security-advisories/blob/main/webhook-route-authz-bypass.md","source":"cret@cert.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-114463","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}