What is GHSA-hxxj-8phw-74vw?

GHSA-hxxj-8phw-74vw is a security advisory published by GitHub Security Advisories with Critical severity. Mattermost Server server restarts may provide attackers with API access

Which CVE IDs does GHSA-hxxj-8phw-74vw cover?

GHSA-hxxj-8phw-74vw covers the following CVE IDs: CVE-2017-18915. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-hxxj-8phw-74vw?

GHSA-hxxj-8phw-74vw has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

Which products are affected by GHSA-hxxj-8phw-74vw?

GHSA-hxxj-8phw-74vw affects 3 products, including: go/github.com/mattermost/mattermost-server:\u003c 3.6.7-0.20170420152529-0968e4079e0a; go/github.com/mattermost/mattermost-server:\u003e= 3.7.0, \u003c 3.7.5; go/github.com/mattermost/mattermost-server:\u003e= 3.8.0, \u003c 3.8.2.

GHSA-hxxj-8phw-74vwCriticalCVSS 9.8

Mattermost Server server restarts may provide attackers with API access

Vendor

GitHub Security Advisories

Published

May 24, 2022

Last Modified

February 6, 2026

🔗 CVE IDs covered (1)

CVE-2017-18915 →

📋 Description

An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. After a restart of a server, an attacker might suddenly gain API Endpoint access.

🎯 Affected products3

go/github.com/mattermost/mattermost-server:< 3.6.7-0.20170420152529-0968e4079e0a
go/github.com/mattermost/mattermost-server:>= 3.7.0, < 3.7.5
go/github.com/mattermost/mattermost-server:>= 3.8.0, < 3.8.2

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2017-18915
https://github.com/mattermost/mattermost/commit/0968e4079e0aa670254f3fe3a7248d126e3cf877
https://github.com/mattermost/mattermost/commit/c7bdce8a6641ed8d361a43b6004a351535c78423
https://github.com/mattermost/mattermost/commit/fb325cc339eb8d8efb60dbadc48fd38897201c6f
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-hxxj-8phw-74vw