Description
The Webmin HTTP server (miniserv.pl) allows unauthenticated attackers to impersonate any user with a configured SSL client certificate by sending a forged HTTP header. A remote attacker can spoof certificate DNs and authenticate as any user. Fixed in 2.641.
References (4)
Core 4
Scores
CVSS v3
8.1
EPSS
0.0050
EPSS Percentile
39.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-290
Status
published
Products (2)
Webmin/Webmin
< 2.641
Webmin/Webmin
2.641
Published
Jun 18, 2026
Tracked Since
Jun 18, 2026