CVE-2026-46484 Headplane: Path Traversal + RBAC Bypass in renameNode allows authenticated OIDC users to expire or rename any node/user
Authenticated users can exploit path traversal and RBAC bypass to rename or expire any node or user in the Headscale network.
- 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-2026-46484?
CVE-2026-46484 is a high-severity path traversal vulnerability in tale headplane, published on 8 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Headplane is a feature-complete Web UI for Headscale. Prior to versions 0.6.3 and 0.7.0-beta.3, Headplane was vulnerable to a path traversal / authorization bypass in the Headscale API client used by node and user rename operations. This issue has been patched in versions 0.6.3 and 0.7.0-beta.3.
Which versions are affected by CVE-2026-46484?
How do I fix CVE-2026-46484?
No fix has been published for CVE-2026-46484 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-2026-46484 being exploited?
There is no known exploitation of CVE-2026-46484 in the wild and no public exploit code.
Sources
Also known as GHSA-vgj6-hcf2-fqf6.