CVE-2026-2325
MEDIUM
NVD
CVSS Score
4.3
Severity
MEDIUM
Published
May 18, 2026
Vendor
unknown
Description
Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail to limit the size of the request body on the start meeting API endpoint, which allows an authenticated attacker to cause resource exhaustion or denial of service via a crafted oversized HTTP POST request to { {/api/v1/meetings} }.. Mattermost Advisory ID: MMSA-2026-00608