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PatchSiren cyber security CVE debrief

CVE-2026-46484 tale CVE debrief

A path traversal and authorization bypass vulnerability was discovered in Headplane, a feature-complete Web UI for Headscale. Prior to versions 0.6.3 and 0.7.0-beta.3, the Headscale API client used by node and user rename operations was vulnerable. This issue has been patched in versions 0.6.3 and 0.7.0-beta.3.

Vendor
tale
Product
headplane
CVSS
HIGH 8.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-08
Original CVE updated
2026-07-23
Advisory published
2026-06-08
Advisory updated
2026-07-23

Who should care

Users of Headplane prior to versions 0.6.3 and 0.7.0-beta.3 should apply the patches to prevent exploitation of this vulnerability.

Technical summary

The vulnerability, tracked as CVE-2026-46484, allows for path traversal and authorization bypass in the Headscale API client used by node and user rename operations. The CVSS score for this vulnerability is 8.1, indicating a high severity.

Defensive priority

High

Recommended defensive actions

  • Apply patches in versions 0.6.3 and 0.7.0-beta.3 or later.
  • Review and update Headplane installations to ensure they are running a patched version.

Evidence notes

The CVE-2026-46484 vulnerability was patched in Headplane versions 0.6.3 and 0.7.0-beta.3. Users can find more information at resourceLinkAnnotations with id: ref-4, ref-5, and ref-6.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46484 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46484

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-46484 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46484

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.