CVE-2023-6459Medium· 5.3▾ SunlitMattermost Exposure of Sensitive Information to an Unauthorized Actor vulnerability
▾ Sunlit zone — Low / medium · no exploitation signal
impact 29.2 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.5%
Mattermost is grouping calls in the /metrics endpoint by id and reports that id in the response. Since this id is the channelID, the public /metrics endpoint is revealing channelIDs.
github.com/mattermost/mattermost-server/v6 < 7.8.14github.com/mattermost/mattermost/server/v8 < 8.1.5Upgrade to a patched release:
github.com/mattermost/mattermost-server/v6 7.8.14github.com/mattermost/mattermost/server/v8 8.1.5Connected by shared product, vendor, weakness, or advisory.
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