Known exploited vulnerability
CVE-2026-66384
The short answer
CVE-2026-66384 affects jfrog artifactory and is rated medium (CVSS 5.3). CISA added it to the Known Exploited Vulnerabilities catalog on 2026-08-27: attackers are using it, so patch it first.
What it is
An authenticated user may write data outside the intended Docker cache path under specific remote-repository conditions.
Weakness: CWE-22.
Severity
5.3 medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Exploited (CISA KEV)
Yes, since Aug 27, 2026
Federal due date Sep 10, 2026
EPSS, next 30 days
0.66%
Higher than 52% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- High
- Availability impact
- None
What CISA says to do
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…
Affected products
artifactory. NVD's record lists the exact affected versions.
References
- docs.jfrog.com/releases/docs/artifactory-self-managed-releases Release NotesVendor Advisory
- docs.jfrog.com/releases/docs/jfrog-security-advisories Vendor Advisory
- cdn.openai.com/pdf/67869394-cb91-4c12-888c-5cbd85c7814c/OpenAI-Hugging-Face%20Incident-Technical-Report.pdf Technical Description
- openai.com/index/hugging-face-incident-and-the-road-ahead/ Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-66384 US Government Resource
Questions
Is CVE-2026-66384 being exploited?
Yes. CISA added CVE-2026-66384 to its Known Exploited Vulnerabilities catalog on 2026-08-27, with a federal remediation due date of 2026-09-10.
How do I fix CVE-2026-66384?
CISA's 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…
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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