Medium
4.3
Mattermost versions 11.7.x <= 11.7.11 fail to validate null elements when decoding playbook...
CVE-2026-13411
First seen on SecPulse
Affected packages
| Ecosystem | Package | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost |
11.7.0 – 11.7.11 |
— |
Original description The description as published by the source.
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
Source: CVE.org (CVE Program・cvelistV5) NVD GitHub Advisory