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CVE PROGRAM SOURCE RECORD8.1 High

CVE-2026-42222

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

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

0xJacky nginx-ui

  • = 2.3.5affected

References