CVE-2025-55074

Nov. 19, 2025, 7:14 p.m.

3.0
Low

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

Product(s) Impacted

Vendor Product Versions
Mattermost
  • Mattermost
  • 10.11.x-10.11.3, 10.5.x-10.5.11

Weaknesses

Common security weaknesses mapped to this vulnerability.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a mattermost mattermost 10.11.x-10.11.3 / / / / / / /
a mattermost mattermost 10.5.x-10.5.11 / / / / / / /

References

https://mattermost.com/security-updates

Tags

responsibledisclosure@mattermost.com
2025-11-18
CVE-2025-55074

CVSS Score

3.0 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: HIGH
  • Privileges Required: LOW
  • Scope: CHANGED
  • Confidentiality Impact: LOW
  • Integrity Impact: NONE
  • Availability Impact: NONE

    • CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N

    View Vector String

Timeline

Published: Nov. 18, 2025, 4:15 p.m.
Last Modified: Nov. 19, 2025, 7:14 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

responsibledisclosure@mattermost.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.