PT-2026-57655 · Mattermost · Mattermost
Minghseinyuc86595
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Published
2026-07-13
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Updated
2026-07-13
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CVE-2026-10106
CVSS v3.1
6.5
Medium
| Vector | AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to verify that the channel referenced in an action cookie matches the channel of the target post, which allows an authenticated user without access to a private channel to trigger interactive post actions on posts in that channel via a cookie obtained from any accessible channel.. Mattermost Advisory ID: MMSA-2026-00690
Fix
Incorrect Authorization
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Weakness Enumeration
Related Identifiers
Affected Products
Mattermost