CVE-2026-16088 halo-dev halo Files Backup Endpoint MigrationEndpoint.java download path traversal
Remote attackers with permissions can exploit a path traversal flaw in the Halo CMS backup endpoint to read arbitrary files from the server.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16088?
CVE-2026-16088 is a medium-severity path traversal vulnerability in halo-dev halo, published on 18 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability was detected in halo-dev halo up to 2.24.2. Affected by this vulnerability is the function Download of the file MigrationEndpoint.java of the component Files Backup Endpoint. Performing a manipulation results in path traversal. The attack is possible to be carried out remotely. The exploit is now public and may be used.
Weakness: CWE-22
Which versions are affected by CVE-2026-16088?
How do I fix CVE-2026-16088?
No fix has been published for CVE-2026-16088 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-16088 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16088 exists.
Sources
Also known as GHSA-mrpc-g9pq-2433.