CVE-2026-66384
JFrog Artifactory Improper Limitation of a Pathname to a Restricted Directory Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 10 September 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
An authenticated user may write data outside the intended Docker cache path under specific remote-repository conditions.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.58% probability · 46th percentile
- CISA KEV
- Listed 27 August 2026 · due 10 September 2026
- Weakness
- CWE-22
- Affected
- jfrog/artifactory
- Source
- reefs@jfrog.com
CISA notes
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. https://docs.jfrog.com/releases/docs/jfrog-security-advisories ; https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-66384
References
- https://docs.jfrog.com/releases/docs/artifactory-self-managed-releasesRelease Notes, Vendor Advisory
- https://docs.jfrog.com/releases/docs/jfrog-security-advisoriesVendor Advisory
- https://cdn.openai.com/pdf/67869394-cb91-4c12-888c-5cbd85c7814c/OpenAI-Hugging-Face%20Incident-Technical-Report.pdfTechnical Description
- https://openai.com/index/hugging-face-incident-and-the-road-ahead/Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-66384US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.