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CVE-2025-15662 · CVSS 8.6 CVE-2025-50455 · CVSS 9.1 CVE-2025-59172 · CVSS 8.5 CVE-2025-68686 · Fortinet FortiOS

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Citeum

1: vulnerability tracked
8 July 2026: latest publication

cve

Vulnerability watch

idvulnerabilityseveritypublished

CVE-2026-35210OpenCTI 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.Citeum Opencti High CVSS 7.1 08/07