CVE-2026-66384 — An authenticated user may write data outside the intended Docker cache path unde

An authenticated user may write data outside the intended Docker cache path under specific remote-repository conditions.

01What is this vulnerability?

An authenticated user may write data outside the intended Docker cache path under specific remote-repository conditions.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2026-08-27. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2026-08-12T16:17:14.520
• Last modified: 2026-08-28T05:16:43.183
• Added to CISA KEV: 2026-08-27

09References

• docs.jfrog.com — https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases
• docs.jfrog.com — https://docs.jfrog.com/releases/docs/jfrog-security-advisories
• cdn.openai.com — https://cdn.openai.com/pdf/67869394-cb91-4c12-888c-5cbd85c7814c/OpenAI-Hugging-F…
• openai.com — https://openai.com/index/hugging-face-incident-and-the-road-ahead/
• www.cisa.gov — https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-…