High 8.5Published Dec 11, 2025

CVE-2025-67738squid/cachemgr.cgi in Webmin before 2.600 does not properly quote arguments.

Updated under an hour ago (Oct 27, 2026, 6:50 AM ET)

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It affects Webmin. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

squid/cachemgr.cgi in Webmin before 2.600 does not properly quote arguments. This is relevant if Webmin's Squid module and its Cache Manager feature are available, and an untrusted party is able to authenticate to Webmin and has certain Cache Manager permissions (the "cms" security option).

CVSS: 8.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-78
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Deferred
Record last updated: Dec 18, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Webmin Webmin webmin:webmin (from the name)	before 2.600	CNA record

References

References

https://github.com/webmin/webmin/commit/1a52bf4d72f9da6d79250c66e51f41c6f5b880ee
https://github.com/webmin/webmin/compare/2.520...2.600
https://webmin.com/security/#privilige-escalation-using-squid-module-cve-2025-67738

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.