GHSA-hf8w-x9h5-5gf9

Source

https://github.com/advisories/GHSA-hf8w-x9h5-5gf9

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-hf8w-x9h5-5gf9/GHSA-hf8w-x9h5-5gf9.json

JSON Data

https://api.test.osv.dev/v1/vulns/GHSA-hf8w-x9h5-5gf9

Aliases

Published

2026-03-16T15:30:43Z

Modified

2026-03-23T18:56:30Z

Severity

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

Summary

Mattermost Boards Plugin fails to implement authorisation checks on comment block modifications

Details

Mattermost Plugins versions <=11.3 11.0.3 11.2.2 10.10.11.0 fail to implement authorisation checks on comment block modifications, which allows an authorised attacker with editor permission to modify comments created by other board members. Mattermost Advisory ID: MMSA-2025-00559

Database specific

{
    "cwe_ids":  [
        "CWE-639"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2026-03-19T17:49:20Z",
    "nvd_published_at":  "2026-03-16T14:19:29Z",
    "severity":  "MODERATE"
}

References

Affected packages

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

Package

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

Affected ranges

Type: SEMVER
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0.0.0-20260108044135-57c5be5b6ef5

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-hf8w-x9h5-5gf9/GHSA-hf8w-x9h5-5gf9.json"