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CVE-2026-21886

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to version 6.9.1, the GraphQL mutations "IndividualDeletionDeleteMutation" is intended to allow users to delete individual entity objects respectively. However, it was observed that this mutation can be misused to delete unrelated and sensitive objects such as analyses reports etc. This behavior stems from the lack of validation in the API to ensure that the targeted object is contextually
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a311287abd3309a35246460b68c46fdea69e176d4e44c4bae77caf3dc4626085
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-915","description":"CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:507e4c4c7449f87f32df2a9d2fb82886658430c87e5e9a4d4b41cc7a8c48caf4 · sha256:b68f58eed817b04d… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-285","description":"CWE-285: Improper Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:507e4c4c7449f87f32df2a9d2fb82886658430c87e5e9a4d4b41cc7a8c48caf4 · sha256:b68f58eed817b04d… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-566","description":"CWE-566: Authorization Bypass Through User-Controlled SQL Primary Key","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:507e4c4c7449f87f32df2a9d2fb82886658430c87e5e9a4d4b41cc7a8c48caf4 · sha256:b68f58eed817b04d… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"opencti","vendor":"OpenCTI-Platform","versions":[{"status":"affected","version":"< 6.9.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:507e4c4c7449f87f32df2a9d2fb82886658430c87e5e9a4d4b41cc7a8c48caf4 · sha256:b68f58eed817b04d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:507e4c4c7449f87f32df2a9d2fb82886658430c87e5e9a4d4b41cc7a8c48caf4 · sha256:b68f58eed817b04d… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-915","description":"CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:507e4c4c7449f87f32df2a9d2fb82886658430c87e5e9a4d4b41cc7a8c48caf4 · sha256:b68f58eed817b04d… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-285","description":"CWE-285: Improper Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:507e4c4c7449f87f32df2a9d2fb82886658430c87e5e9a4d4b41cc7a8c48caf4 · sha256:b68f58eed817b04d… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-566","description":"CWE-566: Authorization Bypass Through User-Controlled SQL Primary Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:507e4c4c7449f87f32df2a9d2fb82886658430c87e5e9a4d4b41cc7a8c48caf4 · sha256:b68f58eed817b04d… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-mhmx-j75v-2m6x","tags":["x_refsource_CONFIRM"],"url":"https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-mhmx-j75v-2m6x"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:507e4c4c7449f87f32df2a9d2fb82886658430c87e5e9a4d4b41cc7a8c48caf4 · sha256:b68f58eed817b04d… · /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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