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PatchSiren cyber security CVE debrief

CVE-2026-66380 jfrog CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-12T15:18:19.967Z and has not been modified since then. CVE-2026-66380 is a medium severity vulnerability with a CVSS score of 4.3. An authenticated user without repository read permission may access private OCI referrer metadata under specific conditions. The vulnerability is characterized by CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. Affected product deployments should be verified, and owners assigned for follow-up. Users of JFrog Artifactory Self-Managed Releases and those responsible for securing OCI referrer metadata, as well as operators, platforms, vulnerability-management, and security teams, should verify and restrict access to prevent unauthorized access and monitor for unusual activity.

Vendor
jfrog
Product
artifactory
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-12
Original CVE updated
2026-08-28
Advisory published
2026-08-12
Advisory updated
2026-08-28

Who should care

Users of JFrog Artifactory Self-Managed Releases and those responsible for securing OCI referrer metadata, as well as operators, platforms, vulnerability-management, and security teams, should verify and restrict access to prevent unauthorized access and monitor for unusual activity.

Technical summary

CVE-2026-66380 is a medium severity vulnerability with a CVSS score of 4.3. An authenticated user without repository read permission may access private OCI referrer metadata under specific conditions. The vulnerability is characterized by CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. Affected product deployments should be verified, and owners assigned for follow-up.

Defensive priority

Authenticated users without repository read permission may access private OCI referrer metadata under specific conditions; verify and restrict access.

Recommended defensive actions

  • Verify access controls for OCI referrer metadata
  • Restrict access to private OCI referrer metadata
  • Monitor for unusual activity
  • Review compensating controls for exposed systems
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE-2026-66380 record indicates a medium severity vulnerability with a CVSS score of 4.3; authenticated users without repository read permission may access private OCI referrer metadata. Evidence is limited; verify access controls, monitor for unusual activity, and review compensating controls for exposed systems.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-66380 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-66380

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-66380 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-66380

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.