Vulnerability · Published Feb 16, 2026 · Assigned by Mattermost
CVE-2025-14573Team Admin Bypass of Invite Permissions via allow_open_invite Field
Low 3.8
In plain English
A low-severity missing authorization in Mattermost from Mattermost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.8Low
Exploit odds (30 days)0.2%top 92.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Mattermost versions 10.11.x <= 10.11.9 fail to enforce invite permissions when updating team settings, which allows team administrators without proper permissions to bypass restrictions and add users to their team via API requests. Mattermost Advisory ID: MMSA-2025-00561
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | no fix listed | GO-2026-4523 |
| Go | github.com/mattermost/mattermost-server | no fix listed | GHSA-cgjg-p2m2-qm4p |
| Go | github.com/mattermost/mattermost-server | no fix listed | GHSA-cgjg-p2m2-qm4p |
| Go | github.com/mattermost/mattermost-server | no fix listed | GHSA-cgjg-p2m2-qm4p |
| Go | github.com/mattermost/mattermost-server | 5.3.2-0.20251215190648-6404ab29acc0 | GHSA-cgjg-p2m2-qm4p |
| Go | github.com/mattermost/mattermost-server | no fix listed | GO-2026-4523 |
| Go | github.com/mattermost/mattermost-server | no fix listed | GO-2026-4523 |
| Go | github.com/mattermost/mattermost-server | no fix listed | GO-2026-4523 |
| Go | github.com/mattermost/mattermost-server/v5 | no fix listed | GO-2026-4523 |
| Go | github.com/mattermost/mattermost-server/v6 | no fix listed | GO-2026-4523 |
| Go | github.com/mattermost/mattermost/server/v8 | 8.0.0-20251215190648-6404ab29acc0 | GO-2026-4523 |
| Go | github.com/mattermost/mattermost/server/v8 | 8.0.0-20251215190648-6404ab29acc0 | GHSA-cgjg-p2m2-qm4p |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 10.11.0 – through 10.11.9 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
References
- MMSA-2025-00561 vendor-advisory