CVE-2026-46484: Tale Headplane

High severity, CVSS 8.1. EPSS: 0.6% chance of exploitation in the next 30 days.

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 products

• Tale Headplane: before 0.6.3 (fixed in 0.6.3); from 0.7.0-beta.1, before 0.7.0-beta.3 (fixed in 0.7.0-beta.3)

Published 2026-06-08. Last modified 2026-07-23.