CVE-2025-6227

published 2025-07-18

CVE-2025-6227: Mattermost versions 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to negotiate a new token when accepting the invite which allows a user that intercepts both invite…

Priority P4 14 low 3.1 CVSS 3.1

AV N AC H PR L UI N S U C N I L A N

Mattermost versions 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to negotiate a new token when accepting the invite which allows a user that intercepts both invite and password to send synchronization payloads to the server that originally created the invite via the REST API.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
github.com	mattermost_mattermost-server	>= 10.5.0 < 10.5.8	10.5.8
github.com	mattermost_mattermost-server	>= 10.5.0+incompatible < 10.5.8+incompatible	10.5.8+incompatible
github.com	mattermost_mattermost-server	>= 9.11.0 < 9.11.17	9.11.17
github.com	mattermost_mattermost-server	>= 9.11.0+incompatible < 9.11.17+incompatible	9.11.17+incompatible
github.com	mattermost_mattermost_server_v8	>= 0 < 8.0.0-20250612074655-8f8612c63783	8.0.0-20250612074655-8f8612c63783
mattermost	mattermost	10.5.0 – 10.5.7	—
mattermost	mattermost	9.11.0 – 9.11.16	—
mattermost	mattermost_server	>= 10.5.0 < 10.5.8	10.5.8
mattermost	mattermost_server	>= 9.11.0 < 9.11.17	9.11.17

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CWE-522