CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 6.5. Exploitation may require the attacker to be authenticated. It may lead to a denial-of-service condition.
CVE
CVE-2026-3114
Severity
MEDIUM
CVSS
6.5
EPSS
0.34%
Original NVD Description
Mattermost versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, 10.11.x <= 10.11.11 fail to validate decompressed archive entry sizes during file extraction which allows authenticated users with file upload permissions to cause a denial of service via crafted zip archives containing highly compressed entries (zip bombs) that exhaust server memory.. Mattermost Advisory ID: MMSA-2026-00598
Related CVEs
Other vulnerabilities affecting the same vendor(s)