CVEvulnerability

CVE-2026-4053

4.3 MEDIUM Published 2026-05-15 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-05-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.1 LOW — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-672

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

Affected configurations

• mattermost mattermost server (>= 10.11.0 < 10.11.14) • mattermost mattermost server (>= 11.5.0 < 11.5.2)

Related

Weakness · CWE (1)

  • CWE-672 Operation on a Resource after Expiration or Release weakness

References