BiiTts/CVE-2026-56423-MISP-deleteSelection-BrokenAccessControl

PoC

PoC for CVE-2026-56423: MISP deleteSelection broken access control (CWE-862, contributor hard-deletes other orgs' Event Reports/Sharing Groups, CVSS 8.8)

view exploit source poc_in_githubauthor BiiTtspublished 2026-07-10catalog poc_in_github
01

exploited CVEs (1)

Known CVEs related to this entry.

IDseverity exploitable
CVE-2026-56423UShigh8.8OT highExploit
MISP Core contained broken access-control checks in the bulk deletion flows for Event Reports and Sharing Groups. The affected deleteSelection handlers authorized deletion using br…
scry

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