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...

CVE-2026-54361 MISP mass assignment vulnerabilities allow unauthorized modification of ownership and delegation records

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...