Dashboard / CVE-2026-93847

CVE-2026-93847

LOW
INFO Priority: 0.01 BB Relevance: 47/100
Published: 2026-10-26 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity

CVSS Vector Breakdown

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

Description

Mattermost versions 11.7.x <= 11.7.10 fail to validate reserved system post types on the scheduled post creation and publication paths which allows an authenticated channel member to publish messages rendering as trusted system events via the scheduled post endpoint.. Mattermost Advisory ID: MMSA-2026-00732

Weakness Classification (1)

References & Advisories (1)

Bug Bounty Relevance

47 / 100
✓ Network accessible
✓ Low complexity

CVSS Score

3.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

EPSS — Exploitation Probability

0.17%
Raw Score 0.001740
Percentile 6.9%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00174
2026-10-28
0.00174

Intelligence Sources

mitre ref →
nvd ref →

External Links