What is GHSA-jxc4-w54c-qv5r?

GHSA-jxc4-w54c-qv5r is a security advisory published by GitHub Security Advisories with High severity. Mattermost Server uses weak hashing for OAuth, email verification tokens and invitations

Which CVE IDs does GHSA-jxc4-w54c-qv5r cover?

GHSA-jxc4-w54c-qv5r covers the following CVE IDs: CVE-2017-18917. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by GHSA-jxc4-w54c-qv5r?

GHSA-jxc4-w54c-qv5r affects 2 products, including: go/github.com/mattermost/mattermost-server:\u003c 3.7.5-0.20170421192444-247cd1e51a8c; go/github.com/mattermost/mattermost-server:\u003e= 3.8.0, \u003c 3.8.2.

GHSA-jxc4-w54c-qv5rHigh

Mattermost Server uses weak hashing for OAuth, email verification tokens and invitations

Vendor

GitHub Security Advisories

Published

May 24, 2022

Last Modified

February 6, 2026

🔗 CVE IDs covered (1)

CVE-2017-18917 →

📋 Description

An issue was discovered in Mattermost Server before 3.8.2 and 3.7.5. Weak hashing was used for e-mail invitations, OAuth, and e-mail verification tokens.

🎯 Affected products2

go/github.com/mattermost/mattermost-server:< 3.7.5-0.20170421192444-247cd1e51a8c
go/github.com/mattermost/mattermost-server:>= 3.8.0, < 3.8.2

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2017-18917
https://github.com/mattermost/mattermost/commit/247cd1e51a8c943628dc650e87e794b06aad4c2b
https://github.com/mattermost/mattermost/commit/b74e85653660525d351d090a1e1874ae933bcbc8
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-jxc4-w54c-qv5r