Description
Mattermost versions 10.0.x <= 10.0.1, 10.1.x <= 10.1.1, 9.11.x <= 9.11.3, 9.5.x <= 9.5.11 fail to properly validate email addresses which allows an unauthenticated user to bypass email domain restrictions via carefully crafted input on email registration.
References (1)
Scores
CVSS v3
8.2
EPSS
0.0007
EPSS Percentile
21.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-754
Status
published
Products (1)
mattermost/mattermost_server
9.5.0 - 9.5.12
Published
Nov 28, 2024
Tracked Since
Feb 18, 2026