Upstream information

CVE-2025-55074 at MITRE

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

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having low severity.

CVSS v3 Scores
CVSS detail CNA (Mattermost) National Vulnerability Database
Base Score 3 3.5
Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Attack Vector Network Network
Attack Complexity High Low
Privileges Required Low Low
User Interaction Required Required
Scope Changed Unchanged
Confidentiality Impact Low Low
Integrity Impact None None
Availability Impact None None
CVSSv3 Version 3.1 3.1
No SUSE Bugzilla entries cross referenced.

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Server 16.1 govulncheck-vulndb Released
SUSE Linux Enterprise Server for SAP applications 16.1 govulncheck-vulndb Released

SUSE Timeline for this CVE

CVE page created: Tue Nov 18 18:04:49 2025
CVE page last modified: Sat Aug 1 11:25:18 2026