Operation on a Resource after Expiration or Release

Overview mattermost-redux is a Common code API client, Redux stores, logic, utility functions for building a Mattermost client Affected versions of this package are vulnerable to Operation on a Resource after Expiration or Release in the permalink preview process. An attacker can access private...

CVE-2026-1629 Permalink Preview Information Disclosure After Permission Revocation

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-2026-0058...

CVE-2026-1629 Permalink Preview Information Disclosure After Permission Revocation

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-2026-0058...

CVE-2026-1629 Permalink Preview Information Disclosure After Permission Revocation

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-2026-0058...