Description

Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to bound memory allocation when processing PSD image files which allows an authenticated attacker to cause server memory exhaustion and denial of service via uploading a specially crafted PSD file. Mattermost Advisory ID: MMSA-2026-00572

INFO

Published Date :

2026-03-16T11:33:02.591Z

Last Modified :

2026-03-16T13:49:57.467Z

Source :

Mattermost
AFFECTED PRODUCTS

The following products are affected by CVE-2026-26246 vulnerability.

Vendors Products
Mattermost
  • Mattermost Server
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-26246.

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