Medium severity · published Feb 24, 2025
CVE-2025-24526
Channel export permitted on archived channel when viewing archived channels is disabled
4.3
CVSS
0.3%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mattermost · Mattermost
10.1.0 through 10.1.3; 10.4.0 through 10.4.1; 9.11.0 through 9.11.7; 10.3.0 through 10.3.2; 10.2.0 through 10.2.2 · source: vendor
MS
Mattermost Server · Mattermost
9.11.0 before 9.11.8; 10.1.0 before 10.1.4; 10.2.0 before 10.2.3; 10.3.0 before 10.3.3; 10.4.0 before 10.4.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-24526
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-24526
Vendor Advisory
https://mattermost.com/security-updates
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