CVE-2025-14573 Team Admin Bypass of Invite Permissions via allow_open_invite Field
Team administrators can bypass invite permission restrictions to add unauthorized users to teams via API requests.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-14573?
CVE-2025-14573 is a low-severity missing authorization vulnerability in Mattermost Mattermost Server, published on 16 Feb 2026. An attacker needs administrator access to exploit it, with no action from the victim.
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
Weakness: CWE-862
Which versions are affected by CVE-2025-14573?
17 open source packages ship an affected version, including github.com/mattermost/mattermost-server, github.com/mattermost/mattermost-server/v5 and github.com/mattermost/mattermost-server/v6. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/mattermost/mattermost-server Go | All versions | None |
github.com/mattermost/mattermost-server Go | All versions | 5.3.2-0.20251215190648-6404ab29acc0 |
github.com/mattermost/mattermost-server Go | All versions | 5.3.2-0.20251215190648-6404ab29acc0 |
github.com/mattermost/mattermost-server Go | From 10.11.0 | None |
github.com/mattermost/mattermost-server Go | From 10.11.0 | None |
github.com/mattermost/mattermost-server Go | From 10.11.0+incompatible | None |
11 more packages
github.com/mattermost/mattermost-server Go | From 11.1.0 | None |
github.com/mattermost/mattermost-server Go | From 11.1.0 | None |
github.com/mattermost/mattermost-server Go | From 11.1.0+incompatible | None |
github.com/mattermost/mattermost-server Go | From 11.2.0 | None |
github.com/mattermost/mattermost-server Go | From 11.2.0 | None |
github.com/mattermost/mattermost-server Go | From 11.2.0+incompatible | None |
github.com/mattermost/mattermost-server/v5 Go | All versions | None |
github.com/mattermost/mattermost-server/v6 Go | All versions | None |
github.com/mattermost/mattermost/server/v8 Go | All versions | 8.0.0-20251215190648-6404ab29acc0 |
github.com/mattermost/mattermost/server/v8 Go | All versions | 8.0.0-20251215190648-6404ab29acc0 |
github.com/mattermost/mattermost/server/v8 Go | All versions | 8.0.0-20251215190648-6404ab29acc0 |
Products include Mattermost Mattermost Server.
How do I fix CVE-2025-14573?
Upgrade github.com/mattermost/mattermost-server to 5.3.2-0.20251215190648-6404ab29acc0 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-14573 being exploited?
There is no known exploitation of CVE-2025-14573 in the wild and no public exploit code.
Other vulnerabilities in Mattermost Mattermost Server
- CVE-2025-12419 Account takeover on OAuth/OpenID-enabled servers
- CVE-2025-12421 Account Takeover via Code Exchange Endpoint
- CVE-2025-4981 Path Traversal Leading to RCE by Any Authenticated Mattermost User
- CVE-2025-20051 Arbitrary file read via block duplication in Mattermost Boards
- CVE-2025-25279 Arbitrary file read in Mattermost Boards via import & export board archive
Sources
Also known as GHSA-cgjg-p2m2-qm4p, GO-2026-4523.