CVE-2026-1629CWE-672

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Medium · published March 16, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
12.7
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00227 · 12.7th percentile
Weakness
CWE-672 · Operation on a Resource after Expiration or Release
Published
2026-03-16T20:24Z
EPSS history
Timeline
  • 16 MAR 20:24Z
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    cvelistv5