https://poc.intelseclab.com/tags/misp-core/Latest proof-of-concept entries.Hugoen-usMon, 27 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/web/2026-07-27_cve-2026-56423-misp-core-deleteselection-broken-access-control/Mon, 27 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/web/2026-07-27_cve-2026-56423-misp-core-deleteselection-broken-access-control/High severity (CVSS 8.8) — web · CVE-2026-56423. Status: Weaponized — contributor-level bulk hard-delete of a foreign organizations Event Report confirmed against a real MISP core build; denied on the patched build. Affects: MISP (Malware Information Sharing Platform) Core — EventReportsController::deleteSelection and SharingGroupsController::deleteSelection. Tags: misp, misp-core, broken-access-control, cwe-862, bulk-deletion, authenticated, threat-intel-platform.webHighmispmisp-corebroken-access-controlcwe-862bulk-deletionauthenticatedthreat-intel-platform