{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-54361/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-15T18:20:11.920Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-54361","@id":"https://www.cve.org/CVERecord?id=CVE-2026-54361","description":"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-related fields such as id, org_id, orgc_id, and user_id.\n\nAn authenticated attacker with access to the affected endpoints could craft requests containing protected fields in order to alter object ownership, r"},"products":[{"@id":"cpe:2.3:a:misp:misp:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:misp:misp:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 2.5.40.","timestamp":"2026-06-15T18:20:11.920Z"}]}