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GSA_kwCzR0hTQS04amhoLTNqZjItcGZ3cs4AAyez

Moderate EPSS: 0.00176% (0.39862 Percentile) EPSS:

Mattermost vulnerable to information disclosure

Affected Packages Affected Versions Fixed Versions
go:github.com/mattermost/mattermost-server/v6 >= 6.0.0, <= 6.7.2 7.1.6
111 Dependent packages
168 Dependent repositories

Affected Version Ranges

All affected versions

6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.1.0, 6.1.1, 6.1.2, 6.1.3, 6.2.0, 6.2.1, 6.2.2, 6.2.3, 6.2.4, 6.2.5, 6.3.0, 6.3.1, 6.3.2, 6.3.3, 6.3.4, 6.3.5, 6.3.6, 6.3.7, 6.3.8, 6.3.9, 6.3.10, 6.4.0, 6.4.1, 6.4.2, 6.4.3, 6.5.0, 6.5.1, 6.5.2, 6.6.0, 6.6.1, 6.6.2, 6.7.0, 6.7.1, 6.7.2

All unaffected versions

go:github.com/mattermost/mattermost-server/v5 >= 5.0.0, <= 5.39.3 7.1.6
215 Dependent packages
280 Dependent repositories

Affected Version Ranges

All affected versions

5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.1.0, 5.1.1, 5.1.2, 5.2.0, 5.2.1, 5.2.2, 5.3.0, 5.3.1, 5.4.0, 5.5.0, 5.5.1, 5.5.2, 5.5.3, 5.6.0, 5.6.1, 5.6.2, 5.6.3, 5.6.4, 5.6.5, 5.7.0, 5.7.1, 5.7.2, 5.7.3, 5.8.0, 5.8.1, 5.8.2, 5.9.0, 5.9.1, 5.9.2, 5.9.3, 5.9.4, 5.9.5, 5.9.6, 5.9.7, 5.9.8, 5.10.0, 5.10.1, 5.10.2, 5.11.0, 5.11.1, 5.12.0, 5.12.1, 5.12.2, 5.12.3, 5.12.4, 5.12.5, 5.12.6, 5.13.0, 5.13.1, 5.13.2, 5.13.3, 5.14.0, 5.14.1, 5.14.2, 5.14.3, 5.14.4, 5.14.5, 5.15.0, 5.15.1, 5.15.2, 5.15.3, 5.15.4, 5.15.5, 5.16.0, 5.16.1, 5.16.2, 5.16.3, 5.16.4, 5.16.5, 5.17.0, 5.17.1, 5.17.2, 5.17.3, 5.18.0, 5.18.1, 5.18.2, 5.19.0, 5.19.1, 5.19.2, 5.19.3, 5.20.0, 5.20.1, 5.20.2, 5.21.0, 5.22.0, 5.22.1, 5.22.2, 5.22.3, 5.23.0, 5.23.1, 5.23.2, 5.24.0, 5.24.1, 5.24.2, 5.24.3, 5.25.0, 5.25.1, 5.25.2, 5.25.3, 5.25.4, 5.25.5, 5.25.6, 5.26.0, 5.26.1, 5.26.2, 5.27.0, 5.27.1, 5.27.2, 5.28.0, 5.28.1, 5.28.2, 5.29.0, 5.29.1, 5.29.2, 5.30.0, 5.30.1, 5.30.2, 5.30.3, 5.31.0, 5.31.1, 5.31.2, 5.31.3, 5.31.4, 5.31.5, 5.31.6, 5.31.7, 5.31.8, 5.31.9, 5.32.0, 5.32.1, 5.33.0, 5.33.1, 5.33.2, 5.33.3, 5.33.4, 5.33.5, 5.34.0, 5.34.1, 5.34.2, 5.34.3, 5.34.4, 5.34.5, 5.35.0, 5.35.1, 5.35.2, 5.35.3, 5.35.4, 5.35.5, 5.36.0, 5.36.1, 5.36.2, 5.37.0, 5.37.1, 5.37.2, 5.37.3, 5.37.4, 5.37.5, 5.37.6, 5.37.7, 5.37.8, 5.37.9, 5.37.10, 5.38.0, 5.38.1, 5.38.2, 5.38.3, 5.38.4, 5.39.0, 5.39.1, 5.39.2, 5.39.3

All unaffected versions

go:github.com/mattermost/mattermost-server >= 7.1.0, <= 7.1.5, >= 7.7.0, <= 7.7.1, >= 3.3.0, <= 4.10.10 7.1.6, 7.7.2, 7.1.6
131 Dependent packages
122 Dependent repositories

Affected Version Ranges

All affected versions

3.3.0, 3.4.0, 3.5.0, 3.5.1, 3.5.2, 3.5.3, 3.6.0, 3.6.1, 3.6.2, 3.6.3, 3.6.4, 3.6.5, 3.6.6, 3.6.7, 3.7.0, 3.7.1, 3.7.2, 3.7.3, 3.7.4, 3.7.5, 3.7.6, 3.8.0, 3.8.1, 3.8.2, 3.8.3, 3.9.0, 3.9.1, 3.9.2, 3.10.0, 3.10.1, 3.10.2, 3.10.3, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.1.0, 4.1.1, 4.1.2, 4.2.0, 4.2.1, 4.2.2, 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.4.4, 4.4.5, 4.5.0, 4.5.1, 4.5.2, 4.6.0, 4.6.1, 4.6.2, 4.6.3, 4.7.0, 4.7.1, 4.7.2, 4.7.3, 4.7.4, 4.8.0, 4.8.1, 4.8.2, 4.9.0, 4.9.1, 4.9.2, 4.9.3, 4.9.4, 4.10.0, 4.10.1, 4.10.2, 4.10.3, 4.10.4, 4.10.5, 4.10.6, 4.10.7, 4.10.8, 4.10.9, 4.10.10

All unaffected versions

0.5.0, 0.6.0, 1.0.0, 1.1.0, 1.1.1, 1.2.1, 1.3.0, 1.4.0, 2.0.0, 2.1.0, 2.2.0, 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.1.0, 3.2.0, 5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.1.0, 5.1.1, 5.1.2, 5.2.0, 5.2.1, 5.2.2, 5.3.0, 5.3.1, 5.4.0, 5.5.0, 5.5.1, 5.5.2, 5.5.3, 5.6.0, 5.6.1, 5.6.2, 5.6.3, 5.6.4, 5.6.5, 5.7.0, 5.7.1, 5.7.2, 5.7.3, 5.8.0, 5.8.1, 5.8.2, 5.9.0, 5.9.1, 5.9.2, 5.9.3, 5.9.4, 5.9.5, 5.9.6, 5.9.7, 5.9.8, 5.10.0, 5.10.1, 5.10.2, 5.11.0, 5.11.1, 8.0.0, 8.0.1, 8.0.2, 8.0.3, 8.0.4, 8.1.0, 8.1.1, 8.1.2, 8.1.3, 8.1.4, 8.1.5, 8.1.6, 8.1.7, 8.1.9, 9.0.0, 9.0.1, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.1.0, 9.1.1, 9.1.2, 9.1.3, 9.1.4, 9.1.5, 9.2.0, 9.2.1, 9.2.2, 9.2.3, 9.2.4, 9.2.5, 9.2.6, 9.3.0, 9.3.1, 9.3.2, 9.3.3, 9.4.0, 9.4.1, 9.4.2, 9.4.3, 9.4.4, 9.4.5, 9.5.0, 9.5.1, 9.5.2, 9.5.3, 9.6.0, 9.6.1

When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients.

Issue Identifier: MMSA-2023-00138

References: