GHSA-h469-4fcf-p23h

Source

https://github.com/advisories/GHSA-h469-4fcf-p23h

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/08/GHSA-h469-4fcf-p23h/GHSA-h469-4fcf-p23h.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-h469-4fcf-p23h

Aliases

CVE-2025-8402

Published

2025-08-21T18:31:29Z

Modified

2025-08-22T19:29:42.576320Z

Severity

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

Summary

Mattermost has Potential Server Crash due to Unvalidated Import Data

Details

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to validate import data which allows a system admin to crash the server via the bulk import feature.

Database specific

{
    "github_reviewed_at": "2025-08-22T17:34:35Z",
    "severity": "MODERATE",
    "cwe_ids": [
        "CWE-476"
    ],
    "nvd_published_at": "2025-08-21T17:15:33Z",
    "github_reviewed": true
}

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

10.8.0

Fixed

10.8.4

Database specific

{
    "last_known_affected_version_range": "<= 10.8.3"
}

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

10.5.0

Fixed

10.5.9

Database specific

{
    "last_known_affected_version_range": "<= 10.5.8"
}

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

10.9.0

Fixed

10.9.4

Database specific

{
    "last_known_affected_version_range": "<= 10.9.3"
}

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

10.10.0

Fixed

10.10.1

Affected versions

10.*

10.10.0

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

0Unknown introduced version / All previous versions are affected

Fixed

8.0.0-20250708173752-d6b35c41f0ae5

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

9.11.0

Fixed

9.11.18

Database specific

{
    "last_known_affected_version_range": "<= 9.11.17"
}