{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-114463", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-10-21T15:00:19.795Z", "datePublished": "2026-10-21T15:01:02.634Z", "dateUpdated": "2026-10-21T15:03:57.567Z"}, "containers": {"cna": {"title": "CVE-2026-114463", "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."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Nous Research", "product": "Hermes Agent", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "2026.8.19", "versionType": "custom"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-863 Incorrect Authorization"}]}], "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"}], "x_generator": {"engine": "VINCE 3.0.51", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-114463"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-10-21T15:03:57.567Z"}}}}

{}

{"affected": [{"affectedData": [{"product": "Hermes Agent", "vendor": "Nous Research", "versions": [{"lessThanOrEqual": "2026.8.19", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "cret@cert.org"}], "cveTags": [], "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."}], "id": "CVE-2026-114463", "lastModified": "2026-10-21T16:17:34.087", "metrics": {}, "published": "2026-10-21T16:17:34.087", "references": [{"source": "cret@cert.org", "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"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Received"}

{}

{}