Security Advisory

CVE-2026-1629

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-16 20:24:05

Last updated 2026-03-17 13:36:52

Assigner Mattermost

State PUBLISHED

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

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