Cyber Resilience

CVE-2025-41395

Medium

Published: 24 April 2025

Published
24 April 2025
Modified
01 October 2025
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0020 41.5th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-41395 is a medium-severity Improper Validation of Specified Type of Input (CWE-1287) vulnerability in Mattermost Mattermost Server. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 41.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate the props used by the RetrospectivePost custom post type in the Playbooks plugin, which allows an attacker to create a specially crafted post with maliciously…

more

crafted props and cause a denial of service (DoS) of the web app for all users.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

mattermost
mattermost server
9.11.0 — 9.11.11 · 10.4.0 — 10.4.3 · 10.5.0 — 10.5.1

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References