JFrog Artifactory Improper Limitation of a Pathname to a Restricted Directory Vulnerability
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.
- Vendor
- JFrog
- Product
- Artifactory
- CVSS
- 5.3
- EPSS (exploit probability)
- 0.7%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2026-66384 being exploited?
Yes. CISA added CVE-2026-66384 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 0.7% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-21. Full cross-catalog view: /kev-comparison
CVE-2026-66384 timeline
Every event links to its source. Catalog dates are each catalog's own; day offsets count from NVD publication. Data: JSON
What to do
CISA required actionApply 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.
US federal civilian agencies must remediate by (14 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other JFrog Artifactory CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2026-42018 JFrog Artifactory Improper Authentication Vulnerabilitywrite-up | [ HIGH ] | 7.5 | 9.8% | |
| CVE-2026-42016 JFrog Artifactory Incorrect Authorization Vulnerabilitywrite-up | [ HIGH ] | 8.1 | 8.6% | |
| CVE-2026-82329 JFrog Artifactory Default Authentication Weakness Grants Admin Accesswrite-up | [ CRITICAL ] | 9.8 | 14.1% |