CVEvulnerability

CVE-2026-96260

6.5 MEDIUM Published 2026-09-22 Modified 2026-10-07 Official page ↗
Status
Analyzed
Published
2026-09-22
Last modified
2026-10-07
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-789

Description

Mattermost versions 11.9.x <= 11.9.1, 11.8.x <= 11.8.5, 11.7.x <= 11.7.10, 11.10.x <= 11.10.1 fail to enforce a request body size limit during CSRF validation of plugin requests which allows an authenticated user to exhaust server memory and cause a denial of service via a large request body sent to a plugin endpoint.. Mattermost Advisory ID: MMSA-2026-00775

Affected configurations

• mattermost mattermost server (>= 11.7.0 < 11.7.11) • mattermost mattermost server (>= 11.8.0 < 11.8.6) • mattermost mattermost server (>= 11.9.0 < 11.9.2) • mattermost mattermost server (>= 11.10.0 < 11.10.2)

Related

Weakness · CWE (1)

  • CWE-789 Memory Allocation with Excessive Size Value weakness

References