CVE-2025-67738

HIGHPre-NVD 8.58.5—
EchelonGraph scoreMEDIUM confidence

Score 8.5 from GitHub Security Advisory (severity: HIGH) published 2025-12-11. a secondary CVSS source baseline 8.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
8.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
8.5
EG Score
8.5(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity85% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

December 11, 2025

Last Modified

June 17, 2026

Advisory Details (3)

Auto-updated Aug 8, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

Security | Webmin

https://webmin.com/security/#privilige-escalation-using-squid-module-cve-2025-67738
generic

Comparing 2.520...2.600 · webmin/webmin · GitHub

https://github.com/webmin/webmin/compare/2.520...2.600
github_commit

commit 1a52bf4d72f9 (webmin/webmin)

Fix landed in webmin/webmin commit 1a52bf4d72f9 — awaiting tagged release

https://github.com/webmin/webmin/commit/1a52bf4d72f9da6d79250c66e51f41c6f5b880ee

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 5× in last 7d / 25× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 179 total refreshes for this CVE.

  1. 2026-09-20 20:15 UTCEPSS rescore
  2. 2026-09-18 19:27 UTCEPSS rescore
  3. 2026-09-17 19:30 UTCEPSS rescore
  4. 2026-09-16 14:07 UTCEPSS rescore
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  7. 2026-09-14 09:50 UTCOSV refresh
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  23. 2026-08-26 11:02 UTCOSV refresh
  24. 2026-08-25 13:48 UTCEPSS rescore
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  1. 2026-08-23 00:18 UTCEPSS rescore
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  5. 2026-08-18 13:48 UTCEPSS rescore
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  13. 2026-08-10 23:59 UTCEPSS rescore
  14. 2026-08-10 00:27 UTCEG score recompute
  15. 2026-08-10 00:27 UTCGHSA enrichment
  16. 2026-08-09 13:46 UTCEPSS rescore
  17. 2026-08-08 16:36 UTCEPSS rescore
  18. 2026-08-08 07:13 UTCEG score recompute
  19. 2026-08-08 07:13 UTCGHSA enrichment
  20. 2026-08-07 16:27 UTCEPSS rescore
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  27. 2026-07-30 16:27 UTCEPSS rescore
  28. 2026-07-30 01:30 UTCEPSS rescore
  29. 2026-07-27 14:13 UTCEPSS rescore
  30. 2026-07-27 05:09 UTCOSV refresh
  31. 2026-07-26 14:54 UTCEPSS rescore
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  38. 2026-07-23 03:02 UTCEG score recompute
  39. 2026-07-22 14:08 UTCEPSS rescore
  40. 2026-07-21 15:24 UTCEPSS rescore
  41. 2026-07-20 17:08 UTCEPSS rescore
  42. 2026-07-19 14:30 UTCEPSS rescore
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  48. 2026-07-16 17:02 UTCEPSS rescore
  49. 2026-07-15 16:57 UTCEPSS rescore
  50. 2026-07-15 16:57 UTCEPSS rescore
  51. 2026-07-15 01:59 UTCEPSS rescore
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  53. 2026-07-13 22:29 UTCEPSS rescore
  54. 2026-07-13 06:12 UTCEPSS rescore
  55. 2026-07-12 05:46 UTCEPSS rescore
  56. 2026-07-11 08:27 UTCEPSS rescore
  57. 2026-07-09 23:45 UTCOSV refresh
  58. 2026-07-09 19:09 UTCEPSS rescore
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  60. 2026-07-07 13:46 UTCEPSS rescore
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  71. 2026-06-30 23:22 UTCEPSS rescore
  72. 2026-06-29 14:06 UTCEPSS rescore
  73. 2026-06-29 14:06 UTCEPSS rescore
  74. 2026-06-28 14:07 UTCEPSS rescore
  75. 2026-06-28 14:07 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2025-67738?
CVE-2025-67738 is a high vulnerability published on December 11, 2025. 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).
When was CVE-2025-67738 disclosed?
CVE-2025-67738 was first published in the National Vulnerability Database on December 11, 2025, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-67738 actively exploited?
CVE-2025-67738 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 70.4% of all scored CVEs.
What is the CVSS score of CVE-2025-67738?
CVE-2025-67738 has a CVSS v3 base score of 8.5 (NVD).
How do I remediate CVE-2025-67738?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-67738, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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