GO-2026-4477
Mattermost Server vulnerable to user account takeover when Single Sign-On OAuth2 is used in github.com/mattermost/mattermost-server
Quick fix
GO-2026-4477 — github.com/mattermost/mattermost-server: upgrade to the fixed version with the command below.
go get github.com/mattermost/mattermost-server@v3.10.2+incompatibleDetails
Mattermost Server vulnerable to user account takeover when Single Sign-On OAuth2 is used in github.com/mattermost/mattermost-server.
NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.
(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)
The additional affected modules and versions are: github.com/mattermost/mattermost-server before v3.9.2-0.20170714134023-b17fca0d5ee7.
Are you affected?
Enter the version of the package you're using.
Affected packages
3.10.0+incompatibleFixed in: 3.10.2+incompatiblego get github.com/mattermost/mattermost-server@v3.10.2+incompatibleReferences
- https://github.com/advisories/GHSA-fpcr-4rr5-hpcp[ADVISORY]
- https://nvd.nist.gov/vuln/detail/CVE-2017-18906[ADVISORY]
- https://github.com/mattermost/mattermost/commit/259ad46f30d0fac2f7c5c14f3b76b2170f7e90c7[WEB]
- https://github.com/mattermost/mattermost/commit/b17fca0d5ee7557e3df1cf1d1da8bd749859e35f[WEB]
- https://github.com/mattermost/mattermost/commit/fbc170733e86f09b46ba754dd03304733d2f482f[WEB]
- https://mattermost.com/security-updates[WEB]