CVE-2026-54361

MISP contained multiple mass assignment vulnerabilities in the handling of collections, tag collections, event delegations, and shadow attributes. Several controller actions accepted user-supplied fields that should have remained server-controlled, including record identifiers and ownership-relat...

CVE-2026-54361

CVE-2026-54361 affects MISP and stems from mass assignment flaws in collections, tag collections, event delegations, and shadow attributes. Several controller actions accepted user-supplied fields that should be server-controlled (e.g., id, org_id, orgc_id, user_id), enabling an authenticated att...