4.3

CVE-2025-62190: mattermost Cross-Site Request Forgery (CSRF)

CVSS: 4.3v3.1MediumAnalyzed
AliasesGHSA-gmx5-frv9-9m9fGO-2025-4254
Published 17-12-2025Last modified 17-12-2025
Open JSON

Vulnerability summary

CVE-2025-62190 is a medium (CVSS 4.3) Cross-Site Request Forgery (CSRF) vulnerability in mattermost. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.7% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.12%
0%100%
Low · 0.00 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
OPENSUSE-SU-2026:21483-1SUSE-SU-2026:0037-1

Timeline

  1. 17-12-2025
    PublishedVulnerability first disclosed.
  2. 17-12-2025
    Last modifiedVulnerability information updated.

Description

Mattermost versions 11.0.x <= 11.0.4, 10.12.x <= 10.12.2, 10.11.x <= 10.11.6 and Mattermost Calls versions <=1.10.0 fail to implement CSRF protection on the Calls widget page which allows an authenticated attacker to initiate calls and inject messages into channels or direct messages via a malicious webpage or crafted link

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.12% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.12%

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

Mattermost2 products
  • mattermost≥ 11.0.0, ≤ 11.0.4 | ≥ 10.12.0, ≤ 10.12.2 | ≥ 10.11.0, ≤ 10.11.6
  • mattermost_server≥ 10.11.0, < 10.11.7 | ≥ 10.12.0, < 10.12.3 | ≥ 11.0.0, < 11.0.5
Github.com/mattermost1 product
  • mattermost-plugin-calls< 1.10.0

2 vendors · 3 products

References

6 links