CVE-2026-13411

CVE-2026-13411CVE-2026-13411

Description

Mattermost versions 11.7.x <= 11.7.11 fail to validate null elements when decoding playbook import conditions which allows an authenticated attacker to crash the Playbooks plugin instance-wide via a crafted import request containing a null condition. Mattermost Advisory ID: MMSA-2026-00709

Scoring

CVSS 4.3 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Last modified2026-10-22
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.