CVE-2026-46484

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

HIGH
8.1
CVSS Score
Published: June 8, 2026 at 07:09 PM UTC
Updated: July 23, 2026 at 07:32 PM UTC
1 product affected across 1 vendorHeadplane

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Severity
HIGH8.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.6.3v < 0.7.0-beta.3
Affected range stops below 0.6.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.7.0-beta.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-22CWE-285

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