Headplane: Path Traversal + RBAC Bypass in renameNode allows authenticated OIDC users to expire or rename any node/user
CVE-2026-46484

8.1HIGH

Key Information:

Vendor

Tale

Status
Headplane
Vendor
CVE Published:
8 June 2026

What is CVE-2026-46484?

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.

Affected Version(s)

headplane < 0.6.3 < 0.6.3

headplane >= 0.7.0-beta.1, < 0.7.0-beta.3 < 0.7.0-beta.1, 0.7.0-beta.3

References

https://github.com/tale/headplane/security/advisories/GHS...
x_refsource_CONFIRM
https://github.com/tale/headplane/releases/tag/v0.6.3
x_refsource_MISC
https://github.com/tale/headplane/releases/tag/v0.7.0-beta.3
x_refsource_MISC

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.