GHSA-j5vq-62gr-8v3r

Source

https://github.com/advisories/GHSA-j5vq-62gr-8v3r

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/12/GHSA-j5vq-62gr-8v3r/GHSA-j5vq-62gr-8v3r.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-j5vq-62gr-8v3r

Aliases

Published

2025-12-17T21:30:48Z

Modified

2025-12-30T02:26:11.341605Z

Severity

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

Summary

Mattermost fails to check Websocket request for proper UTF-8 format potentially crashing Calls plug-in

Details

Mattermost versions 11.0.x <= 11.0.4, 10.12.x <= 10.12.2, 10.11.x <= 10.11.6 fail to check WebSocket request field for proper UTF-8 format, which allows attacker to crash Calls plug-in via sending malformed request.

Database specific

{
    "nvd_published_at": "2025-12-17T19:16:00Z",
    "cwe_ids": [
        "CWE-1287"
    ],
    "github_reviewed_at": "2025-12-20T17:13:53Z",
    "severity": "MODERATE",
    "github_reviewed": true
}

References

Affected packages

Go / github.com/mattermost/mattermost-plugin-calls

Package

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

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.11.0

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/12/GHSA-j5vq-62gr-8v3r/GHSA-j5vq-62gr-8v3r.json"