GHSA-876j-jfqf-m7j7

Source

https://github.com/advisories/GHSA-876j-jfqf-m7j7

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-876j-jfqf-m7j7/GHSA-876j-jfqf-m7j7.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-876j-jfqf-m7j7

Aliases

Published

2022-05-24T17:21:04Z

Modified

2025-12-09T17:57:23.684357Z

Severity

9.3 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N CVSS Calculator

Summary

Mattermost Server exposes OAuth personal access tokens to attackers

Details

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 using a registered OAuth application with personal access tokens.

Database specific

{
    "cwe_ids": [
        "CWE-269",
        "CWE-863"
    ],
    "severity": "CRITICAL",
    "nvd_published_at": "2020-06-19T19:15:00Z",
    "github_reviewed": true,
    "github_reviewed_at": "2025-12-05T19:38:03Z"
}

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

0Unknown introduced version / All previous versions are affected

Fixed

4.1.2

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-876j-jfqf-m7j7/GHSA-876j-jfqf-m7j7.json"

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

4.2.0-rc1

Fixed

4.2.1

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-876j-jfqf-m7j7/GHSA-876j-jfqf-m7j7.json"

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

4.3.0-rc1

Fixed

4.3.0

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-876j-jfqf-m7j7/GHSA-876j-jfqf-m7j7.json"