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CVE-2026-35210 OpenCTI: Authorization Bypass via `synchronized-upsert` HTTP Header Injection

🗓️ 08 Jul 2026 21:06:02Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

Prior to 7.260326.0, OpenCTI allowed authorized users to bypass confidence level and markings via synchronized-upsert header.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-35210
8 Jul 202621:06
attackerkb
Circl
CVE-2026-35210
13 Jul 202618:30
circl
CVE
CVE-2026-35210
8 Jul 202621:06
cve
EUVD
EUVD-2026-42430
8 Jul 202621:06
euvd
NVD
CVE-2026-35210
8 Jul 202621:16
nvd
OSV
CVE-2026-35210 OpenCTI: Authorization Bypass via `synchronized-upsert` HTTP Header Injection
8 Jul 202621:06
osv
OSV
PYSEC-2026-3445
8 Jul 202621:16
osv
Positive Technologies
PT-2026-56601
8 Jul 202600:00
ptsecurity
PyPA
PYSEC-2026-3445
8 Jul 202621:16
pypa
Vulnrichment
CVE-2026-35210 OpenCTI: Authorization Bypass via `synchronized-upsert` HTTP Header Injection
8 Jul 202621:06
vulnrichment
Rows per page
[
  {
    "vendor": "OpenCTI-Platform",
    "product": "opencti",
    "versions": [
      {
        "version": "< 7.260326.0",
        "status": "affected"
      }
    ]
  }
]

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