CVE-2026-66384
Published 2026-08-12 · Updated 2026-08-28 · Source reefs@jfrog.com
Summary
CVE-2026-66384 is a medium-severity (CVSS 5.3) vulnerability in JFrog Artifactory. CISA added it to the Known Exploited Vulnerabilities catalog on August 27, 2026, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by September 10, 2026. CISA does not currently list it as used in ransomware campaigns. JFrog has 4 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.
All 4 known-exploited JFrog vulnerabilities →Description
An authenticated user may write data outside the intended Docker cache path under specific remote-repository conditions.
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
CISA Known-Exploited Vulnerability
Product: JFrog — Artifactory
Name: JFrog Artifactory Improper Limitation of a Pathname to a Restricted Directory Vulnerability
Date added: 2026-08-27 · Due: 2026-09-10
Required action: 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.
References
- https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases
- https://docs.jfrog.com/releases/docs/jfrog-security-advisories
- https://cdn.openai.com/pdf/67869394-cb91-4c12-888c-5cbd85c7814c/OpenAI-Hugging-Face%20Incident-Technical-Report.pdf
- https://openai.com/index/hugging-face-incident-and-the-road-ahead/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-66384