CVE-2026-66382 jfrog CVE debrief

Who should care

Artifactory administrators and users with write permissions should verify configurations and monitor activity to mitigate potential risks. Additionally, security teams and vulnerability management personnel should review the vulnerability's impact on their environments and prioritize patching or mitigation efforts accordingly.

Technical summary

CVE-2026-66382 is a medium-severity vulnerability in Artifactory that allows an authenticated user to write files outside the intended work directory under specific conditions. The vulnerability has a CVSS score of 4.3 and is classified as CWE-22. Affected systems may be vulnerable to unauthorized file writes, potentially leading to data tampering or further exploitation.

Defensive priority

Authenticated users may be able to write files outside intended directories; verify Artifactory configurations and monitor user activity.

Recommended defensive actions

• Verify Artifactory configurations and user permissions.
• Monitor user activity and file system changes.
• Apply vendor patches when available.

Evidence notes

The CVE record indicates an authenticated user may write files outside the intended Artifactory work directory under specific conditions. Official CVE and NVD records provide details. Evidence is limited; defenders should verify Artifactory configurations, monitor user activity, and review file system changes to assess potential impact and validate vendor guidance.

Sources and 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.