What is CVE-2026-47724?

CVE-2026-47724 is a critical-severity vulnerability in Juev Nebula-mesh, classified under Missing Authorization. CVSS score: 9.9/10. Published 2026-07-23.

How severe is CVE-2026-47724?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Auth bypass in Juev Nebula-mesh

CVE-2026-47724

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.4, the `/api/v1/*` route surface trusts the bearer token alone for authorisation on most endpoints. The codebase itself admits t…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Juev Nebula-mesh — versions < 0.3.4

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-47724?: CVE-2026-47724 is a critical-severity vulnerability in Juev Nebula-mesh, classified under Missing Authorization. CVSS score: 9.9/10. Published 2026-07-23.
How severe is CVE-2026-47724?: Critical severity. CVSS v3 base score is 9.9 out of 10.