CVE-2026-114463

{"id": "CVE-2026-114463", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-114463", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-30T15:16:28.449619Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.6}]}, "affected": [{"source": "cret@cert.org", "affectedData": [{"vendor": "Nous Research", "product": "Hermes Agent", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "2026.8.19"}]}]}], "published": "2026-10-21T16:17:34.087", "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"}, {"url": "https://github.com/pinarsadioglu/security-advisories/blob/main/webhook-route-authz-bypass.md", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-863"}]}], "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."}], "lastModified": "2026-10-30T16:17:39.933", "sourceIdentifier": "cret@cert.org"}