CVE-2025-24526 - CVE House

Back to Database

Status published Medium CVE-2025-24526

Channel export permitted on archived channel when viewing archived channels is disabled

4.3 CVSS

Vulnerability Description

Mattermost versions 10.1.x <= 10.1.3, 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to restrict channel export of archived channels when the "Allow users to view archived channels" is disabled which allows a user to export channel contents when they shouldn't have access to it

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-24526

Check My Exposure

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Eva Sarafianou

References

https://mattermost.com/security-updates

More from Mattermost

View All →

Open redirect in OAuth login

IDOR in board file download allows any user to download any file by UUID

Admin RCE via prepackaged plugins by way of misconfigured imports directory

Weak cache keys lead to post IDOR and link preview poisoning

Mattermost Server exposes sensitive user credentials during shared channel membership synchronization

Affected Vendor

Mattermost

View all reports →

Affected Software

Mattermost

Vulnerable Versions:

10.1.0, 10.4.0, 9.11.0, 10.3.0, 10.2.0, 10.5.0, 10.1.4, 10.4.2, 9.11.8, 10.3.3, 10.2.3

Timeline

Official Publish: February 24th, 2025

Last Modified: February 24th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1078 Valid Accounts

T1548 Abuse Elevation Control Mechanism

Privilege Escalation

T1021 Remote Services

Lateral Movement

T1098 Account Manipulation

Defense Evasion