GO-2026-5092

vendorUSosv

Mattermost allows system administrators to read arbitrary host files via malicious AdvancedLoggingJSON configuration in github.com/mattermost/mattermost-server

view advisory published 2026-06-25Licence: per source

Mattermost allows system administrators to read arbitrary host files via malicious AdvancedLoggingJSON configuration in github.com/mattermost/mattermost-server

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-3112US	medium4.9	0.49% (41st)	—	2026-03-26
Mattermost versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, 10.11.x <= 10.11.11 fail to validate Advanced Logging file target paths which allows system administrators…

references

External citations — patches, advisories, analysis.

https://github.com/advisories/GHSA-3mw5-466q-295qADVISORY
https://mattermost.com/security-updatesWEB
https://nvd.nist.gov/vuln/detail/CVE-2026-3112ADVISORY

scry

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