Description

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2, 10.10.x <= 10.10.0 fail to validate upload types in remote cluster upload sessions which allows a system admin to upload non-attachment file types via shared channels that could potentially be placed in arbitrary filesystem directories.

INFO

Published Date :

2025-08-21T07:59:45.057Z

Last Modified :

2025-08-21T13:57:13.759Z

Source :

Mattermost
AFFECTED PRODUCTS

The following products are affected by CVE-2025-49222 vulnerability.

Vendors Products
Mattermost
  • Mattermost
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-49222.

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