{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-35210", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-01T18:48:58.937Z", "datePublished": "2026-07-08T21:06:02.349Z", "dateUpdated": "2026-07-08T21:06:02.349Z"}, "containers": {"cna": {"title": "OpenCTI: Authorization Bypass via `synchronized-upsert` HTTP Header Injection", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-36fr-4m54-94mj", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-36fr-4m54-94mj"}, {"name": "https://github.com/OpenCTI-Platform/opencti/pull/14243", "tags": ["x_refsource_MISC"], "url": "https://github.com/OpenCTI-Platform/opencti/pull/14243"}, {"name": "https://github.com/OpenCTI-Platform/opencti/commit/134531ddf5ecf741006b7f0870b7c36711b96540", "tags": ["x_refsource_MISC"], "url": "https://github.com/OpenCTI-Platform/opencti/commit/134531ddf5ecf741006b7f0870b7c36711b96540"}, {"name": "https://github.com/OpenCTI-Platform/opencti/releases/tag/7.260326.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/OpenCTI-Platform/opencti/releases/tag/7.260326.0"}], "affected": [{"vendor": "OpenCTI-Platform", "product": "opencti", "versions": [{"version": "< 7.260326.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-08T21:06:02.349Z"}, "descriptions": [{"lang": "en", "value": "OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260326.0, an authorization bypass vulnerability in OpenCTI allows any authenticated user with KNOWLEDGE_KNUPDATE permission to bypass Confidence Level validation and Object Marking restrictions by injecting the synchronized-upsert: true HTTP header, enabling attackers to downgrade confidence levels, remove security markings such as TLP:RED, manipulate relationships, and affect STIX object types including Indicators, ThreatActors, Malware, and Reports. This issue is fixed in version 7.260326.0."}], "source": {"advisory": "GHSA-36fr-4m54-94mj", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.260326.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "opencti", "source": "cna", "vendor": "OpenCTI-Platform"}, "product": "opencti", "vendor": "opencti-platform"}], "created": "2026-07-08T22:45:08.452403+00:00", "updated": "2026-07-09T04:00:11.597867+00:00", "vendors": ["opencti-platform", "opencti-platform$PRODUCT$opencti"]}