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Vulnerability record · CVE-2025-67738 · published 11 December 2025

CVE-2025-67738: OS command injection vulnerability

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).

8.5 CVSS 3.1 High EPSS 0.36% · top 72.9% CWE-78 · OS command injection Deferred
8.5CVSS 3.1 base score
0.36%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

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:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

References

LinkTags
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

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Source: NIST National Vulnerability Database (record CVE-2025-67738), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.