CVE-2026-39669 NitroPack CVE debrief

Who should care

Users of NitroPack plugin for WordPress, security teams, and operators who manage WordPress deployments with NitroPack should verify their version and update to a patched version if necessary. They should also review and adjust access control configurations for NitroPack and monitor for potential exploitation attempts.

Technical summary

The CVE-2026-39669 vulnerability has a CVSS score of 5.3 and is classified as MEDIUM severity. It was published on 2026-04-08T09:16:38.297Z and last modified on 2026-07-24T20:10:00.147Z. The vulnerability is related to a Missing Authorization issue in NitroPack, which can be exploited due to Incorrectly Configured Access Control Security Levels. The vulnerability affects NitroPack from n/a through 1.19.3.

Defensive priority

Medium priority due to the vulnerability's MEDIUM severity and potential impact on access control.

Recommended defensive actions

• Verify the NitroPack plugin version and update to a patched version if necessary
• Review and adjust access control configurations for NitroPack
• Monitor for potential exploitation attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-04-08T09:16:38.297Z and has not been modified since. The NVD entry is currently Deferred. There is limited information available about the vulnerability, and defenders should verify the affected scope and severity with the vendor. The vulnerability is related to a Missing Authorization issue in NitroPack, which can be exploited due to Incorrectly Configured Access Control Security Levels. Evidence is limited to CVE and NVD details.

Official resources