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CVE-2025-14350

Information disclosure via channel mentions in posts PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Mattermost / Mattermostaffected 11.1.0 through 11.1.2; affected 10.11.0 through 10.11.9; affected 11.2.0 through 11.2.1; unaffected 11.3.0; unaffected 11.1.3; unaffected 10.11.10; unaffected 11.2.2

CWE

CWE-862

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.