Vulnerability · Published Jun 8, 2026 · Assigned by GitHub_M

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

High 8.1

In plain English

A high-severity path traversal in headplane from tale. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.4%top 68.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
tale	headplane	< 0.6.3>= 0.7.0-beta.1, < 0.7.0-beta.3

Weakness: CWE-22, CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

References

https://github.com/tale/headplane/security/advisories/GHSA-vgj6-hcf2-fqf6 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