CVE-2026-21886 (GCVE-0-2026-21886)

Vulnerability from cvelistv5 – Published: 2026-03-17 15:26 – Updated: 2026-03-17 16:09
VLAI
Title
OpenCTI's GraphQL Mutations Allow Deletion of Unrelated Entities
Summary
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 related to the mutation being executed. Version 6.9.1 fixes the issue.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-17 16:09 UTC
CWE
  • CWE-285 - Improper Authorization
  • CWE-566 - Authorization Bypass Through User-Controlled SQL Primary Key
  • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7814 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
OpenCTI-Platform opencti Affected: < 6.9.1
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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