GHSA-j6gg-r5jc-47cm

Suggest an improvement
Source
https://github.com/advisories/GHSA-j6gg-r5jc-47cm
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-j6gg-r5jc-47cm/GHSA-j6gg-r5jc-47cm.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-j6gg-r5jc-47cm
Aliases
Downstream
MINI (2)
Published
2025-11-14T09:30:27Z
Modified
2025-11-17T19:58:46Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
Mattermost fails to properly restrict access to archived channel search API
Details

Mattermost versions < 11 fail to properly restrict access to archived channel search API which allows guest users to discover archived public channels via the /api/v4/teams/{team_id}/channels/search_archived endpoint

Database specific 
{
    "cwe_ids":  [
        "CWE-863"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2025-11-14T22:08:04Z",
    "nvd_published_at":  "2025-11-14T08:15:43Z",
    "severity":  "MODERATE"
}
References

Affected packages

Go
github.com/mattermost/mattermost/server/v8

Package

Name
github.com/mattermost/mattermost/server/v8
View open source insights on deps.dev
Purl
pkg:golang/github.com/mattermost/mattermost/server/v8

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.0.0-20250815165020-c8d66301415d

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-j6gg-r5jc-47cm/GHSA-j6gg-r5jc-47cm.json"
github.com/mattermost/mattermost

Package

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

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.3.2-0.20250815165020-c8d66301415d

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-j6gg-r5jc-47cm/GHSA-j6gg-r5jc-47cm.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
0 Unknown introduced version / All previous versions are affected
Fixed
5.3.2-0.20250815165020-c8d66301415d

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-j6gg-r5jc-47cm/GHSA-j6gg-r5jc-47cm.json"
github.com/mattermost/mattermost-server/v5

Package

Name
github.com/mattermost/mattermost-server/v5
View open source insights on deps.dev
Purl
pkg:golang/github.com/mattermost/mattermost-server/v5

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.3.2-0.20250815165020-c8d66301415d

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-j6gg-r5jc-47cm/GHSA-j6gg-r5jc-47cm.json"
github.com/mattermost/mattermost-server/v6

Package

Name
github.com/mattermost/mattermost-server/v6
View open source insights on deps.dev
Purl
pkg:golang/github.com/mattermost/mattermost-server/v6

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.3.2-0.20250815165020-c8d66301415d

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-j6gg-r5jc-47cm/GHSA-j6gg-r5jc-47cm.json"