Vulnerability · Published Jan 9, 2025 · Assigned by Mattermost
CVE-2025-22449Access control flaw for team admins allows unauthorized team additions
Low 3.8
In plain English
A low-severity incorrect 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 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.8Low
Exploit odds (30 days)0.3%top 80.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Mattermost versions 9.11.x <= 9.11.5 fail to enforce invite permissions, which allows team admins, with no permission to invite users to their team, to invite users by updating the "allow_open_invite" field via making their team public.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | no fix listed | GO-2025-3377 |
| Go | github.com/mattermost/mattermost-server/v5 | no fix listed | GO-2025-3377 |
| Go | github.com/mattermost/mattermost-server/v6 | no fix listed | GO-2025-3377 |
| Go | github.com/mattermost/mattermost/server/v8 | 9.11.6 | GHSA-q8fg-cp3q-5jwm |
| Go | github.com/mattermost/mattermost/server/v8 | 8.0.0-20250102081831-64c566a8280b | GHSA-q8fg-cp3q-5jwm |
| Go | github.com/mattermost/mattermost/server/v8 | 8.0.0-20250102081831-64c566a8280b | GO-2025-3377 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 9.11.0 – through 9.11.5 |
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N