Auth bypass in Misp

CVE-2026-54360

A mass assignment vulnerability exists in MISP’s sharing group creation endpoint. When creating a new sharing group, the controller did not remove a user-supplied id field before saving the submitted data. In CakePHP, supplying a primary k…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.002 (13.5th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References