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Go/github.com/mattermost/mattermost-server CVE-2025-53971: low 3.8, EPSS 0.20%

Mattermost Fails to Properly Validate Team Role Modification

Action: Upgrade github.com/mattermost/mattermost-server to 9.11.18 or later.

go get github.com/mattermost/mattermost-server@v10.5.9
go get github.com/mattermost/mattermost-server@v9.11.18

Affected

introducedfixedlast affected
10.5.010.5.9-
9.11.09.11.18-

Fixed versions

10.5.99.11.18

Sources

CVE-2025-53971 · published · modified · JSON