CVE 4.9 MEDIUM

Missing request body size limits on Zoom plugin HTTP endpoints_CVE-2026-5308

4.9 / 10
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Description

Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 fail to enforce request body size limits on plugin HTTP endpoints which allows an attacker to cause a denial of service via crafted oversized HTTP requests.. Mattermost Advisory ID: MMSA-2026-00646

Basic Information

ID CVE-2026-5308
Source Mattermost
Published May 22, 2026 at 10:20
Modified May 22, 2026 at 12:14

Affected Product

Vendor Mattermost
Product Mattermost
Version 11.6.0
Affected Versions Mattermost Mattermost 11.6.0
Mattermost Mattermost 11.5.0
Mattermost Mattermost 11.4.0
Mattermost Mattermost 10.11.0

CWE Classification

References

💭 Join the Security Discussion

🔒 Your email address will not be published. Required fields are marked *

⚠️ Please be respectful and constructive in your comments. Security discussions should remain professional.