Description

Mattermost versions 10.11.x <= 10.11.10 Fail to invalidate cached permalink preview data when a user loses channel access which allows the user to continue viewing private channel content via previously cached permalink previews until cache reset or relogin.. Mattermost Advisory ID: MMSA-2026-00580

INFO

Published Date :

2026-03-16T20:24:05.415Z

Last Modified :

2026-03-17T13:36:52.223Z

Source :

Mattermost
AFFECTED PRODUCTS

The following products are affected by CVE-2026-1629 vulnerability.

Vendors Products
Mattermost
  • Mattermost
  • Mattermost Server
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-1629.

URL Resource
https://mattermost.com/security-updates cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact