CVE-2026-61739

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-61739", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-10T18:59:00.047Z", "datePublished": "2026-10-30T14:50:23.292Z", "dateUpdated": "2026-10-30T15:45:17.745Z"}, "containers": {"cna": {"title": "SOCFortress CoPilot: Authentication Bypass and Missing Authorization on Velociraptor Sigma Exclusion Rules (Detection Suppression)", "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "lang": "en", "description": "CWE-287: Improper Authentication", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/socfortress/CoPilot/security/advisories/GHSA-c6jc-rh4j-wg88", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/socfortress/CoPilot/security/advisories/GHSA-c6jc-rh4j-wg88"}, {"name": "https://github.com/socfortress/CoPilot/pull/942", "tags": ["x_refsource_MISC"], "url": "https://github.com/socfortress/CoPilot/pull/942"}, {"name": "https://github.com/socfortress/CoPilot/commit/d22f80f9086ef5e68baa3a9414bff7d7621a14a8", "tags": ["x_refsource_MISC"], "url": "https://github.com/socfortress/CoPilot/commit/d22f80f9086ef5e68baa3a9414bff7d7621a14a8"}, {"name": "https://github.com/socfortress/CoPilot/tree/v0.1.77", "tags": ["x_refsource_MISC"], "url": "https://github.com/socfortress/CoPilot/tree/v0.1.77"}], "affected": [{"vendor": "socfortress", "product": "CoPilot", "versions": [{"version": "< 0.1.77", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-30T14:50:23.292Z"}, "descriptions": [{"lang": "en", "value": "SOCFortress CoPilot focuses on providing a single pane of glass for all your security operations needs. Prior to 0.1.77, the Velociraptor Sigma exclusion-management endpoints in `backend/app/incidents/routes/incident_alert.py` omit role and tenant authorization, and `POST /api/incidents/alerts/create/velo-sigma/exclusion` does not validate credentials. Its `return_username_for_logging` dependency in `backend/app/auth/utils.py` calls `decode_token`, which returns ordinary Invalid token or Expired signature strings on failure, and the dependency passes these strings through instead of rejecting the request. A Bearer header is required, but an arbitrary invalid, expired or forged value can create a suppression rule without a valid account. The collection GET at /create/velo-sigma/exclusion lists exclusions; the read, update and delete routes under `/create/velo-sigma/exclusion/{exclusion_id}`, and the `/velo-sigma/exclusion/{exclusion_id}/toggle` route, use `get_current_user` without role checks, permitting any authenticated `customer_user` to manage every exclusion. In `backend/app/incidents/services/velo_sigma.py`, `process_sigma_alert` calls `check_exclusions` and drops matching enabled alerts before incident creation. A null `customer_code` applies a rule across all tenants. Attackers can suppress detections platform-wide through channel, title or field matching, while low-privilege accounts can enumerate detection-tuning data and modify, disable or delete legitimate exclusions. This issue is fixed in version 0.1.77."}], "source": {"advisory": "GHSA-c6jc-rh4j-wg88", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/socfortress/CoPilot/security/advisories/GHSA-c6jc-rh4j-wg88", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-30T15:44:53.572533Z", "id": "CVE-2026-61739", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-30T15:45:17.745Z"}}]}}

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{"affected": [{"affectedData": [{"product": "CoPilot", "vendor": "socfortress", "versions": [{"status": "affected", "version": "< 0.1.77"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SOCFortress CoPilot focuses on providing a single pane of glass for all your security operations needs. Prior to 0.1.77, the Velociraptor Sigma exclusion-management endpoints in `backend/app/incidents/routes/incident_alert.py` omit role and tenant authorization, and `POST /api/incidents/alerts/create/velo-sigma/exclusion` does not validate credentials. Its `return_username_for_logging` dependency in `backend/app/auth/utils.py` calls `decode_token`, which returns ordinary Invalid token or Expired signature strings on failure, and the dependency passes these strings through instead of rejecting the request. A Bearer header is required, but an arbitrary invalid, expired or forged value can create a suppression rule without a valid account. The collection GET at /create/velo-sigma/exclusion lists exclusions; the read, update and delete routes under `/create/velo-sigma/exclusion/{exclusion_id}`, and the `/velo-sigma/exclusion/{exclusion_id}/toggle` route, use `get_current_user` without role checks, permitting any authenticated `customer_user` to manage every exclusion. In `backend/app/incidents/services/velo_sigma.py`, `process_sigma_alert` calls `check_exclusions` and drops matching enabled alerts before incident creation. A null `customer_code` applies a rule across all tenants. Attackers can suppress detections platform-wide through channel, title or field matching, while low-privilege accounts can enumerate detection-tuning data and modify, disable or delete legitimate exclusions. This issue is fixed in version 0.1.77."}], "id": "CVE-2026-61739", "lastModified": "2026-10-30T17:13:54.187", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-61739", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-30T15:44:53.572533Z", "version": "2.0.3"}}]}, "published": "2026-10-30T15:16:53.650", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/socfortress/CoPilot/commit/d22f80f9086ef5e68baa3a9414bff7d7621a14a8"}, {"source": "security-advisories@github.com", "url": "https://github.com/socfortress/CoPilot/pull/942"}, {"source": "security-advisories@github.com", "url": "https://github.com/socfortress/CoPilot/security/advisories/GHSA-c6jc-rh4j-wg88"}, {"source": "security-advisories@github.com", "url": "https://github.com/socfortress/CoPilot/tree/v0.1.77"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/socfortress/CoPilot/security/advisories/GHSA-c6jc-rh4j-wg88"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}, {"lang": "en", "value": "CWE-862"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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