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cve recordmedium

CVE-2026-1629

mattermost · mattermost server

Published
CVSS4.3
Severitymedium
WeaknessCWE-672
ExploitedNot in CISA KEV

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

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

References

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