CVE-2026-16088 halo-dev CVE debrief

Who should care

Users of halo-dev halo up to 2.24.2 should assess the vulnerability and apply patches or mitigations as necessary. Operators of affected systems should review the vulnerability and consider restricting access to the Files Backup Endpoint. Vulnerability management and security teams should prioritize this vulnerability based on the CVSS score and severity.

Technical summary

The vulnerability is caused by a path traversal issue in the Download function of the MigrationEndpoint.java file in the Files Backup Endpoint component of halo-dev halo up to 2.24.2. This could allow a remote attacker to traverse the file system. The CVSS score is 2, with a severity of LOW. There is limited information available about the vulnerability, and defenders should verify the affected scope and severity with the vendor.

Defensive priority

Low priority, as the CVSS score is 2 and the severity is LOW. However, users should exercise caution and consider restricting access to the Files Backup Endpoint.

Recommended defensive actions

• Inventory and assess halo-dev halo installations up to 2.24.2 for vulnerability
• Apply patches or updates if available
• Implement compensating controls such as monitoring and exception tracking
• Consider restricting access to the Files Backup Endpoint
• Review relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-07-18T10:17:25.950Z and has not been modified since then. The NVD entry is currently Received. There is limited information available about the vulnerability, and defenders should verify the affected scope and severity with the vendor. The exploit is now public and may be used. Users should exercise caution and consider restricting access to the Files Backup Endpoint.

Official resources