CVE-2026-67920 Path traversal in n/a
Remote attackers can execute arbitrary code in Halo CMS via path traversal in the migration restore functionality.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-67920?
CVE-2026-67920 is a high-severity path traversal vulnerability in n/a, published on 18 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue in Halo 2.25.4 allows a remote attacker to execute arbitrary code via the run.halo.app.migration.impl.MigrationServiceImpl.restoreWorkdir(), and org.springframework.util.FileSystemUtils.copyRecursively() components
Weakness: CWE-73
Which versions are affected by CVE-2026-67920?
How do I fix CVE-2026-67920?
No fix has been published for CVE-2026-67920 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-2026-67920 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-67920 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-jm2p-2r65-7m5c.