3.8

CVE-2025-14573: mattermost Missing Authorization

CVSS: 3.8v3.1LowAnalyzed
AliasesGHSA-cgjg-p2m2-qm4pGO-2026-4523
Published 16-02-2026Last modified 17-02-2026

Vulnerability summary

CVE-2025-14573 is a low (CVSS 3.8) Missing Authorization vulnerability in mattermost. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.5% of scored vulnerabilities.

Overall risk
15/100
0100
Low · default modelHow is this calculated?
CVSS score
3.8/10
010
Low · v3.1 (CVE.org)
EPSS score
0.18%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2

Timeline

  1. 16-02-2026
    PublishedVulnerability first disclosed.
  2. 17-02-2026
    Last modifiedVulnerability information updated.

Description

Mattermost versions 10.11.x <= 10.11.9 fail to enforce invite permissions when updating team settings, which allows team administrators without proper permissions to bypass restrictions and add users to their team via API requests. Mattermost Advisory ID: MMSA-2025-00561

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

+0.02 pp

From 0.16% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Github.com/mattermost/mattermost-server2 products
  • v5All versions (No fix recorded)
  • v6All versions (No fix recorded)
Mattermost2 products
Github.com/mattermost1 product
  • mattermost-server≥ 11.1.0 (No fix recorded) | ≥ 10.11.0 (No fix recorded) | ≥ 11.2.0 (No fix recorded) | < 5.3.2-0.20251215190648-6404ab29acc0 | All versions (No fix recorded) | ≥ 10.11.0+incompatible (No fix recorded) | ≥ 11.1.0+incompatible (No fix recorded) | ≥ 11.2.0+incompatible (No fix recorded)
Github.com/mattermost/mattermost/server1 product
  • v8< 8.0.0-20251215190648-6404ab29acc0

4 vendors · 6 products

References

5 links