GHSA-hgrp-fgm8-56g8

Source

https://github.com/advisories/GHSA-hgrp-fgm8-56g8

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-hgrp-fgm8-56g8/GHSA-hgrp-fgm8-56g8.json

JSON Data

https://api.test.osv.dev/v1/vulns/GHSA-hgrp-fgm8-56g8

Aliases

Published

2022-05-24T17:21:02Z

Modified

2025-11-05T19:58:46Z

Severity

4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N CVSS Calculator

Summary

Mattermost Server's OAuth 2.0 service is vulnerable to attack through Missing Authorization

Details

An issue was discovered in Mattermost Server before 4.4.3 and 4.3.3. Attackers could reconfigure an OAuth app in some cases where Mattermost is an OAuth 2.0 service provider.

Database specific

{
    "cwe_ids": [
        "CWE-862"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-10-24T18:39:08Z",
    "nvd_published_at": "2020-06-19T18:15:00Z",
    "severity": "MODERATE"
}

References

Affected packages

Go / github.com/mattermost/mattermost-server

Package

Name: github.com/mattermost/mattermost-server; View open source insights on deps.dev
Purl: pkg:golang/github.com/mattermost/mattermost-server

Affected ranges

Type: SEMVER
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

4.3.3

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-hgrp-fgm8-56g8/GHSA-hgrp-fgm8-56g8.json"

Go / github.com/mattermost/mattermost-server

Package

Name: github.com/mattermost/mattermost-server; View open source insights on deps.dev
Purl: pkg:golang/github.com/mattermost/mattermost-server

Affected ranges

Type: SEMVER
Events: Introduced

4.4.0-rc1

Fixed

4.4.3

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-hgrp-fgm8-56g8/GHSA-hgrp-fgm8-56g8.json"