Cloudanix VulnDB

CVE-2025-14350

Medium · 4.3

CVSS

4.3

EPSS

0.2%

Published

Feb 16, 2026

CISA due date

—

The record

Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 fail to properly validate team membership when processing channel mentions which allows authenticated users to determine the existence of teams and their URL names via posting channel shortlinks and observing the channel_mentions property in the API response. Mattermost Advisory ID: MMSA-2025-00563

Affected packages

Ecosystem Package Introduced Fixed
Go github.com/mattermost/mattermost-server 0 No fix
Go github.com/mattermost/mattermost-server 10.11.0+incompatible No fix
Go github.com/mattermost/mattermost-server 11.1.0+incompatible No fix
Go github.com/mattermost/mattermost-server 11.2.0+incompatible No fix
Go github.com/mattermost/mattermost-server/v5 0 No fix
Go github.com/mattermost/mattermost-server/v6 0 No fix
Go github.com/mattermost/mattermost/server/v8 0 8.0.0-20251209134645-761e56bb11cc
openSUSE:Leap 15.6 govulncheck-vulndb 0 0.0.20260226T182644-150000.1.149.1

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