Dashboard / CVE-2026-13411

CVE-2026-13411

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 59/100
Published: 2026-10-22 Modified: 2026-10-22 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: Low

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

Weakness Classification (1)

References & Advisories (1)

Bug Bounty Relevance

59 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

4.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS — Exploitation Probability

0.32%
Raw Score 0.003210
Percentile 25.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00321
2026-10-28
0.00321

Intelligence Sources

nvd ref →

External Links