HIGHVulnerability
CVE-2026-56020
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.
Properties
- severity
- HIGH
- score
- 8.1
- cve_id
- CVE-2026-56020
- vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- published_at
- 2026-06-18T17:16:35.247
- last_modified
- 2026-08-11T16:17:33.077
Related Entities (2)
HAS_WEAKNESS (1)
→[Weakness]Authentication Bypass by Spoofing
DESCRIBED_BY (1)
→[Source]NVD
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