Analysis and contextual insights are available on OpenCVE Cloud.
Vendor Solution
Update Mattermost to versions 11.10.0, 11.9.1, 11.8.5, 11.7.8, 10.11.23 or higher.
Tracking
Sign in to view the affected projects.
No advisories yet.
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
Mon, 14 Sep 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 14 Sep 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost
Mattermost mattermost |
|
| Vendors & Products |
Mattermost
Mattermost mattermost |
Mon, 14 Sep 2026 10:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to enforce board creation permissions when importing archive files which allows an authenticated non-guest team member to create Open or Private boards despite administrator restrictions via importing a crafted .boardarchive file. Mattermost Advisory ID: MMSA-2026-00712 | |
| Title | Board archive import bypasses team board creation permissions | |
| Weaknesses | CWE-862 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: Mattermost
Published:
Updated: 2026-09-14T19:36:08.766Z
Reserved: 2026-06-30T16:00:56.371Z
Link: CVE-2026-14259
Updated: 2026-09-14T19:36:03.427Z
Status : Received
Published: 2026-09-14T11:17:03.307
Modified: 2026-09-14T20:16:38.047
Link: CVE-2026-14259
No data.
OpenCVE Enrichment
Updated: 2026-09-14T11:30:08Z
-
CWE-862
Missing Authorization