CVE-2025-55074

LOW EPSS 4.1%
Published Nov 18, 20257mo ago · Modified Jun 17, 20262w ago
3.5 CVSS 3.1
Low
Find Similar
Published Nov 18, 2025 7mo ago
Last Modified Jun 17, 2026 2w ago

Description

Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11 fail to enforce access permissions on the Agents plugin which allows other users to determine when users had read channels via channel member objects

CVSS Details

Base Score
3.5
Exploitability
2.1
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Unchanged
Confidentiality Low
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
4.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Affected Products 2

VendorProductVersionRange
mattermostmattermost_server*≥10.5.0  –  <10.5.12
mattermostmattermost_server*≥10.11.0  –  <10.11.4

References 1

  • mattermost.com https://mattermost.com/security-updates
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.