CVE-2023-6459mediumCWE-200

CVE-2023-6459: medium-severity vulnerability in Mattermost

Public endpoint /metrics of Calls plugin reveals channel IDs

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3epss 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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
Mattermost · Mattermost
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