7 matches found
CVE-2025-12421
Mattermost versions 11.0.x = 11.0.2, 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12 fail to to verify that the token used during the code exchange originates from the same authentication flow, which allows an authenticated user to perform account takeover via a specially crafted email...
EUVD-2025-199833
Mattermost versions 11.0.x = 11.0.2, 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12 fail to to verify that the token used during the code exchange originates from the same authentication flow, which allows an authenticated user to perform account takeover via a specially crafted email...
GHSA-MP6X-97XJ-9X62 Mattermost fails to to verify the token used during code exchange
Mattermost versions 11.0.x = 11.0.2, 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12 fail to to verify that the token used during the code exchange originates from the same authentication flow, which allows an authenticated user to perform account takeover via a specially crafted email...
CVE-2025-12421 Account Takeover via Code Exchange Endpoint
Mattermost versions 11.0.x = 11.0.2, 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12 fail to to verify that the token used during the code exchange originates from the same authentication flow, which allows an authenticated user to perform account takeover via a specially crafted email...
CVE-2025-12421
Mattermost suffers an authentication-tampering vulnerability (CVE-2025-12421) where the token used during code exchange is not verified to originate from the same authentication flow. Affected versions include 11.0.x <= 11.0.2, 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, and 10.5.x
CVE-2025-59480
Mattermost Mobile Apps versions =2.32.0 fail to verify that SSO redirect tokens originate from the trusted server, which allows a malicious Mattermost instance or on-path attacker to obtain user session credentials via crafted token-in-URL responses...
PT-2025-48281
Name of the Vulnerable Software and Affected Versions Mattermost versions 10.5.x through 10.5.12 Mattermost versions 10.11.x through 10.11.4 Mattermost versions 10.12.x through 10.12.1 Mattermost versions 11.0.x through 11.0.2 Description Mattermost fails to verify that the token used during the...