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CVE-2026-35210

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 obj
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ea2a315f84d71d47db11c91492c255bb44a980264f95291a923b095190511be2
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8c7562a851c516400e54af92aa22c3b64800421d65dc5c4129ba0424baa6c165 · sha256:195f96ea1e28a866… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8c7562a851c516400e54af92aa22c3b64800421d65dc5c4129ba0424baa6c165 · sha256:195f96ea1e28a866… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"opencti","vendor":"OpenCTI-Platform","versions":[{"status":"affected","version":"< 7.260326.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8c7562a851c516400e54af92aa22c3b64800421d65dc5c4129ba0424baa6c165 · sha256:195f96ea1e28a866… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8c7562a851c516400e54af92aa22c3b64800421d65dc5c4129ba0424baa6c165 · sha256:195f96ea1e28a866… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8c7562a851c516400e54af92aa22c3b64800421d65dc5c4129ba0424baa6c165 · sha256:195f96ea1e28a866… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8c7562a851c516400e54af92aa22c3b64800421d65dc5c4129ba0424baa6c165 · sha256:195f96ea1e28a866… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/OpenCTI-Platform/opencti/commit/134531ddf5ecf741006b7f0870b7c36711b96540","tags":["x_refsource_MISC"],"url":"https://github.com/OpenCTI-Platform/opencti/commit/134531ddf5ecf741006b7f0870b7c36711b96540"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8c7562a851c516400e54af92aa22c3b64800421d65dc5c4129ba0424baa6c165 · sha256:195f96ea1e28a866… · /containers/cna/references/2
{"name":"https://github.com/OpenCTI-Platform/opencti/pull/14243","tags":["x_refsource_MISC"],"url":"https://github.com/OpenCTI-Platform/opencti/pull/14243"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8c7562a851c516400e54af92aa22c3b64800421d65dc5c4129ba0424baa6c165 · sha256:195f96ea1e28a866… · /containers/cna/references/1
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8c7562a851c516400e54af92aa22c3b64800421d65dc5c4129ba0424baa6c165 · sha256:195f96ea1e28a866… · /containers/cna/references/3
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8c7562a851c516400e54af92aa22c3b64800421d65dc5c4129ba0424baa6c165 · sha256:195f96ea1e28a866… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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