GHSA-x3hx-ch7p-8xgg

Suggest an improvement
Source
https://github.com/advisories/GHSA-x3hx-ch7p-8xgg
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-x3hx-ch7p-8xgg/GHSA-x3hx-ch7p-8xgg.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-x3hx-ch7p-8xgg
Aliases
Downstream
MINI (2)
Published
2025-11-14T09:30:27Z
Modified
2025-11-18T16:14:00Z
Severity
  • 3.1 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
Mattermost allows regular users to access archived channel content and files
Details

Mattermost versions < 11.0 fail to properly enforce the "Allow users to view archived channels" setting which allows regular users to access archived channel content and files via the "Open in Channel" functionality from followed threads

Database specific
{
    "cwe_ids":  [
        "CWE-863"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2025-11-17T17:50:34Z",
    "nvd_published_at":  "2025-11-14T08:15:45Z",
    "severity":  "LOW"
}
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
11.0.0-alpha.1

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-x3hx-ch7p-8xgg/GHSA-x3hx-ch7p-8xgg.json"

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-x3hx-ch7p-8xgg/GHSA-x3hx-ch7p-8xgg.json"