CVE-2016-11078: Mattermost Server exposes sensitive information via its System Console UI

May 24, 2022 (updated October 22, 2025)

An issue was discovered in Mattermost Server before 3.0.0. It potentially allows attackers to obtain sensitive information (credential fields within config.json) via the System Console UI.

References

github.com/advisories/GHSA-9w4v-9c99-hv7r
github.com/mattermost/mattermost
mattermost.com/security-updates
nvd.nist.gov/vuln/detail/CVE-2016-11078

Code Behaviors & Features

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