VULNERABILITY INTELLIGENCE
CVE-2026-56020
CVSS score8.1 HIGH
EPSS probability0.50%
CISA KEVNot currently listed
Published2026-06-18
Last modified2026-08-11
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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 2.202.
Weakness classification
- 9119a7d8-5eab-497f-8521-727c672e3725: CWE-290