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

INFO

Published Date :

2026-03-26T16:21:19.421Z

Last Modified :

2026-03-26T17:51:14.833Z

Source :

Mattermost
AFFECTED PRODUCTS

The following products are affected by CVE-2026-3114 vulnerability.

Vendors Products
Mattermost
  • Mattermost
  • Mattermost Server
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-3114.

URL Resource
https://mattermost.com/security-updates cve-icon cve-icon
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