CVE-2026-42222

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Source

https://cve.org/CVERecord?id=CVE-2026-42222

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42222.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-42222

Aliases

Published

2026-05-04T20:11:11.049Z

Modified

2026-07-08T08:09:32.386415269Z

Severity

8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

nginx-ui: Unauthenticated first-boot instance claim via POST /api/install allows remote bootstrap takeover

Details

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.

Database specific

{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-284",
        "CWE-306"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42222.json"
}

References

Affected packages

Git / github.com/0xjacky/nginx-ui

Affected ranges

Type

GIT

Repo

https://github.com/0xjacky/nginx-ui

Events

Introduced

1a9cd29a308278173aa0f16234cb78061dd2bd42

Last affected

1a9cd29a308278173aa0f16234cb78061dd2bd42

Database specific

{
    "extracted_events": [
        {
            "introduced": "= 2.3.5"
        },
        {
            "last_affected": "= 2.3.5"
        },
        {
            "introduced": "2.3.5"
        },
        {
            "last_affected": "2.3.5"
        }
    ],
    "cpe": "cpe:2.3:a:nginxui:nginx_ui:2.3.5:*:*:*:*:*:*:*",
    "source": [
        "AFFECTED_FIELD",
        "CPE_STRING"
    ]
}

Affected versions

2.*

2.3.5

= 2.*

= 2.3.5

v2.*

v2.3.5

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42222.json"