CVE 3.1 LOW

post edit time limit is not enforced on some post update operations_CVE-2026-4053

3.1 / 10
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Description

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to enforce the PostEditTimeLimit on non-message post fields which allows an authenticated user to modify post file attachments, props, and pin status after the edit window has expired via the post patch and update API endpoints.. Mattermost Advisory ID: MMSA-2026-00631

Basic Information

ID CVE-2026-4053
Source Mattermost
Published May 15, 2026 at 18:42

Affected Product

Vendor Mattermost
Product Mattermost
Version 11.5.0
Affected Versions Mattermost Mattermost 11.5.0
Mattermost Mattermost 10.11.0

CWE Classification

References

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