CVE-2025-41436

Name: CVE-2025-41436
Creator: NVD / NIST
Published: 2025-11-14T08:15:45.31+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.15%

Last modified Jun 17, 2026

CVE-2025-41436 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Mattermost versions <11.0 fail to properly enforce the "Allow users to view archived channels" setting which allows regular users to access archived channel content and files via the "Open in Channel" functionality from followed threads. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

Mattermost versions <11.0 fail to properly enforce the "Allow users to view archived channels" setting which allows regular users to access archived channel content and files via the "Open in Channel" functionality from followed threads

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.15%

4.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost Server	< 11.0.0

References

https://mattermost.com/security-updatesVendor Advisory

Timeline

Published: Nov 14, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-41436?

How severe is CVE-2025-41436?

CVE-2025-41436 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.

How do I fix CVE-2025-41436?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-41436?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST