Where
AND
-Infinity
0

Trending

Last week
Last month
Last year

Mattermost Mattermost PluginsIncomplete group locking implementation

Risk 22
Severity
4.3
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Mattermost Plugins versions <=11.5 11.1.5 10.13.11 11.3.4.0 fail to have API-level checks on which groups the user can create issues or attach comments to which allows a user that is member of multiple groups to create issues to a locked group via direct API requests. Mattermost Advisory ID: MMSA-2026-00602

First published (updated )
CVE-2026-6341

Mattermost Mattermost PluginsGroup prefix matching bypass for subscriptions

Risk 22
Severity
4.3
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Mattermost Plugins versions <=11.5 11.1.5 10.13.11 11.3.4.0 fail to appropriately check for valid namespaces which allows plugin users to create subscriptions to groups that were not whitelisted via creating groups that share the same prefix as a whitelisted group. Mattermost Advisory ID: MMSA-2026-00601

First published (updated )
CVE-2026-6342

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203