CVE•Published 2026-05-04•Modified 2026-05-06•1 article on news•6 live references•NVD data
CVE-2026-42222Nginxui · Nginx_ui
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
12
Exploit Prediction Scoring System · top 88% of all CVEs
Description
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.
Timeline
Published 2026-05-04
Modified 2026-05-06
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-42222Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Nginxui Nginx Ui" version:"2.3.5"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Nginx Ui"HTTP body or banner mentions "Nginx Ui" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-42222Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-42222Censys host search filtered to this CVE id.
grep.app
CVE-2026-42222Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-42222GitHub code search for direct mentions.
Google dork
"CVE-2026-42222" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-42222 on GitHub.