{"action":"Upgrade pycti to 6.9.1 or later.","affected":[{"fixed":"6.9.1","introduced":"0"}],"component":"pycti","cve_ids":["CVE-2026-21886"],"ecosystem":"PyPI","epss":0.0024,"exploited":false,"fixed_versions":["6.9.1"],"ghsa_id":"GHSA-mhmx-j75v-2m6x","id":"tcs_01M5KGQZR14BEJCQW3S04BFAWM","modified_at":"2026-05-20T09:19:14.662198Z","published_at":"2026-03-17T16:16:19.953Z","references":["https://osv.dev/vulnerability/PYSEC-2026-117","https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-mhmx-j75v-2m6x"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-117","url":"https://osv.dev/vulnerability/PYSEC-2026-117"}],"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 all"}