Is there a public exploit for CVE-2026-125391?

No public exploit for CVE-2026-125391 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-125391?

CVE-2026-125391 scores CVSS 8.6 (v4.0), rated high.

What does CVE-2026-125391 affect?

CVE-2026-125391 affects Webmin Webmin.

8.6 High

Webmin through 2.670 contains an OS command injection vulnerability in samba/saveeuser.cgi that allows authenticated Samba user maintainers…

CVE-2026-125391

Webmin through 2.670 contains an OS command injection vulnerability in samba/saveeuser.cgi that allows authenticated Samba user maintainers to inject commands via unvalidated opts parameter. Attackers can embed shell metacharacters in account option flags passed by createuser and modifyuser to backquotelogged, executing commands as root.

Assessment

CVSS: 8.6 (v4.0)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 9 November 2026
Last updated: 9 November 2026
Affected: Webmin · Webmin
Assigner: VulnCheck

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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