{"api_version":"1","generated_at":"2026-10-21T19:44:21+00:00","cve":"CVE-2026-114463","urls":{"html":"https://cve.report/CVE-2026-114463","api":"https://cve.report/api/cve/CVE-2026-114463.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-114463","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-114463"},"summary":{"title":"CVE-2026-114463","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.","state":"PUBLISHED","assigner":"certcc","published_at":"2026-10-21 16:17:34","updated_at":"2026-10-21 16:17:34"},"problem_types":["CWE-863 Incorrect Authorization"],"metrics":[],"references":[{"url":"https://github.com/NousResearch/hermes-agent/releases/tag/v0.22.2","name":"https://github.com/NousResearch/hermes-agent/releases/tag/v0.22.2","refsource":"cret@cert.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/NousResearch/hermes-agent/pull/115285","name":"https://github.com/NousResearch/hermes-agent/pull/115285","refsource":"cret@cert.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/pinarsadioglu/security-advisories/blob/main/webhook-route-authz-bypass.md","name":"https://github.com/pinarsadioglu/security-advisories/blob/main/webhook-route-authz-bypass.md","refsource":"cret@cert.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-114463","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114463","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Nous Research","product":"Hermes Agent","version":"affected 2026.8.19 custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"Hermes Agent","vendor":"Nous Research","versions":[{"lessThanOrEqual":"2026.8.19","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"description":"CWE-863 Incorrect Authorization","lang":"en"}]}],"providerMetadata":{"dateUpdated":"2026-10-21T15:03:57.567Z","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","shortName":"certcc"},"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"}],"source":{"discovery":"UNKNOWN"},"title":"CVE-2026-114463","x_generator":{"engine":"VINCE 3.0.51","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-114463"}}},"cveMetadata":{"assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","assignerShortName":"certcc","cveId":"CVE-2026-114463","datePublished":"2026-10-21T15:01:02.634Z","dateReserved":"2026-10-21T15:00:19.795Z","dateUpdated":"2026-10-21T15:03:57.567Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-21 16:17:34","lastModifiedDate":"2026-10-21 16:17:34","problem_types":["CWE-863 Incorrect Authorization"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"114463","Ordinal":"1","Title":"CVE-2026-114463","CVE":"CVE-2026-114463","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"114463","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"CVE-2026-114463"}]}}}