GO-2025-4200

vendorUSosv

Mattermost Server allows attackers to gain privileges by accessing unintended API endpoints with users' credentials in github.com/mattermost/mattermost-server

view advisory published 2025-12-15Licence: per source

Mattermost Server allows attackers to gain privileges by accessing unintended API endpoints with users' credentials in github.com/mattermost/mattermost-server

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2017-18885US	critical9.8	1.18% (68th)	—	2020-06-19
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to gain privileges by accessing unintended API endpoints on a user's behalf.

references

External citations — patches, advisories, analysis.

https://github.com/advisories/GHSA-g78f-6xq7-rrhqADVISORY
https://mattermost.com/security-updatesWEB
https://nvd.nist.gov/vuln/detail/CVE-2017-18885ADVISORY

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