JFrog Artifactory Improper Limitation of a Pathname to a Restricted Directory Vulnerability

Date Aug 27, 2026
Type KEV
Signal Known exploited
Vendor / Product JFrog · Artifactory
CVE CVE-2026-66384
Known exploited CVE-2026-66384

Summary

JFrog Artifactory contains an improper limitation of a pathname to a restricted directory vulnerability. This can allow an authenticated user to write data outside the intended Docker cache path under specific remote-repository conditions.

Why it matters

CVE-2026-66384 is listed in CISA's Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. CISA remediation deadline: 2026-09-10. Treat remediation as urgent.

Operator check

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.