{"id":"CVE-2026-114463","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.","modified":"2026-10-22T10:31:04.738334954Z","published":"2026-10-21T15:01:02.634Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114463.json","cna_assigner":"certcc"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114463.json"},{"type":"FIX","url":"https://github.com/NousResearch/hermes-agent/pull/115285"},{"type":"WEB","url":"https://github.com/NousResearch/hermes-agent/releases/tag/v0.22.2"},{"type":"ADVISORY","url":"https://github.com/pinarsadioglu/security-advisories/blob/main/webhook-route-authz-bypass.md"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114463"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nousresearch/hermes-agent","events":[{"introduced":"0"},{"last_affected":"fcbd1076a93841fa88855acce810e342a5b78101"},{"fixed":"d923a5eb487a17c0a68801bba9ef0f56c81040a8"}],"database_specific":{"extracted_events":[{"source":"AFFECTED_FIELD","strategy":"StandardRange","range":[{"introduced":"0"},{"last_affected":"2026.8.19"}]},{"range":[{"fixed":"d923a5eb487a17c0a68801bba9ef0f56c81040a8"}],"source":"REFERENCES_TAG","original_tag":"v0.22.2"}]}}],"versions":["v2026.8.19","v2026.8.18","v2026.8.16.2","v2026.8.16","v2026.8.13","v2026.8.3","v2026.7.30","v2026.7.20","v2026.7.7.2","v2026.7.7","v2026.7.1","v2026.6.19","v2026.6.5","v2026.5.29","v2026.5.28","v2026.5.16","v2026.5.7","v2026.4.30","v2026.4.23","v2026.4.16","v2026.4.13","v2026.4.8","v2026.4.3","v2026.3.30","v2026.3.28","v2026.3.23","v2026.3.17","v2026.3.12"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-114463.json"}}],"schema_version":"1.9.0"}