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OSV
OSV
added 2026/06/25 10:34 p.m.6 views

GO-2026-5521 Nginx-UI: Unauthenticated first-boot instance claim via POST /api/install allows remote bootstrap takeover in github.com/0xJacky/nginx-ui

Nginx-UI: Unauthenticated first-boot instance claim via POST /api/install allows remote bootstrap takeover in github.com/0xJacky/nginx-ui...

9.8CVSS5.9AI score0.00339EPSS
SaveExploits1References2
RedhatCVE
RedhatCVE
added 2026/05/06 8:21 p.m.10 views

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...

9.8CVSS5.8AI score0.00339EPSS
SaveExploits1References1
Github Security Blog
Github Security Blog
added 2026/05/06 4:59 p.m.12 views

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

Summary An unauthenticated bootstrap takeover exists in nginx-ui during the initial installation window exposed by POST /api/install. When the instance is still uninitialized, POST /api/install is reachable without authentication and accepts attacker-controlled bootstrap data. The handler sets th...

9.8CVSS6.1AI score0.00339EPSS
SaveExploits1References3Affected Software1
GitLab Advisory Database
GitLab Advisory Database
added 2026/05/06 12:0 a.m.13 views

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

An unauthenticated bootstrap takeover exists in nginx-ui during the initial installation window exposed by POST /api/install. When the instance is still uninitialized, POST /api/install is reachable without authentication and accepts attacker-controlled bootstrap data. The handler sets the...

9.8CVSS5.8AI score0.00339EPSS
SaveExploits1References3Affected Software1
Cvelist
Cvelist
added 2026/05/04 8:11 p.m.46 views

CVE-2026-42222 nginx-ui: Unauthenticated first-boot instance claim via POST /api/install allows remote bootstrap takeover

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...

8.1CVSS0.00339EPSS
SaveExploits1References1
OSV
OSV
added 2026/05/04 8:11 p.m.7 views

CVE-2026-42222 nginx-ui: Unauthenticated first-boot instance claim via POST /api/install allows remote bootstrap takeover

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...

8.1CVSS5.9AI score0.00339EPSS
SaveExploits1References3
ATTACKERKB
ATTACKERKB
added 2026/05/04 8:11 p.m.5 views

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...

8.1CVSS5.8AI score0.00339EPSS
SaveExploits1References2
CVE
CVE
added 2026/05/04 8:11 p.m.30 views

CVE-2026-42222

CVE-2026-42222 (nginx-ui 2.3.5) describes an unauthenticated bootstrap takeover during the initial installation window exposed by POST /api/install. The issue allows a remote attacker to submit attacker-chosen bootstrap data and gain full unauthenticated administrative control on a fresh, uniniti...

9.8CVSS5.8AI score0.00339EPSS
SaveExploits1References1Affected Software1
Vulnrichment
Vulnrichment
added 2026/05/04 8:11 p.m.7 views

CVE-2026-42222 nginx-ui: Unauthenticated first-boot instance claim via POST /api/install allows remote bootstrap takeover

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...

8.1CVSS5.8AI score0.00339EPSS
SaveExploits1References1
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