CVE-2025-3446 describes a permission bypass vulnerability in Mattermost versions 10.6.1 and earlier, 10.5.2 and earlier, 10.4.4 and earlier, and 9.11.11 and earlier. Authenticated users with only non-guest invitation privileges can exploit an API flaw to add guest users to a team. Rated Medium (CVSS 4.3), this vulnerability has a low attack complexity and requires authenticated access, potentially leading to unauthorized guest user additions. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 9.11.0, < 9.11.12CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 10.4.0, < 10.4.5CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 10.5.0, < 10.5.3CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 10.6.0, < 10.6.2CPE matchmatch criteria | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | ||
>= 10.4.0, <= 10.4.4CPE match | cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
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No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.