CVE-2026-42222
Nginx UI is a web user interface for the Nginx web server. In version 2.3.5, an unauthenticated bootstrap takeover exists in nginx-ui during the initial installation window exposed by POST /api/install. At time of publication no public patches are available.
- Affected products
- Nginx-Ui
- Nginxui Nginx Ui
- = 2.3.5
- CVSS 3.1
- 9.8 CRITICAL
- EPSS
- 0.3% (27th percentile)
- Weakness
- CWE-284, CWE-306
- NVD status
- Analyzed
- Published
- 2026-05-04
CVE-2026-42222 at NVD
No indexed exploits for CVE-2026-42222 yet
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No exploit for CVE-2026-42222 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.