HIGHCVSS v3.1 7.5Vulnerability
CVE-2026-126781
Webmin through 2.670 contains a users file injection vulnerability in acl/cert_issue.cgi that allows authenticated Webmin users to inject lines by supplying unvalidated certificate DN fields containing newlines. Attackers can end a DN field with a backslash and newline to add a second root entry with a known password hash, gaining Webmin root access after miniserv restarts.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-11T23:49:45.533241+00:00
- Cvss severity
- HIGH
- Cvss score
- 7.5
- Retrieved at
- 2026-11-11T23:50:18+00:00
- Score
- 7.5
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-126781
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- First seen by Signal
- 2026-11-11T19:44:24+00:00
- Name
- CVE-2026-126781
- Vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published at
- 2026-11-11T19:17:39.177
- Last modified
- 2026-11-11T19:17:39.300
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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