GHSA-g78f-6xq7-rrhq

Suggest an improvement
Source
https://github.com/advisories/GHSA-g78f-6xq7-rrhq
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-g78f-6xq7-rrhq/GHSA-g78f-6xq7-rrhq.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-g78f-6xq7-rrhq
Aliases
Published
2022-05-24T17:21:04Z
Modified
2026-01-06T23:41:17.979183Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Mattermost Server allows attackers to gain privileges by accessing unintended API endpoints with users' credentials
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 accessing unintended API endpoints on a user's behalf.

Database specific 
{
    "nvd_published_at": "2020-06-19T19:15:00Z",
    "cwe_ids": [
        "CWE-269"
    ],
    "severity": "CRITICAL",
    "github_reviewed": true,
    "github_reviewed_at": "2025-12-05T21:47:57Z"
}
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-g78f-6xq7-rrhq/GHSA-g78f-6xq7-rrhq.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-g78f-6xq7-rrhq/GHSA-g78f-6xq7-rrhq.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-g78f-6xq7-rrhq/GHSA-g78f-6xq7-rrhq.json"