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...

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...

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...

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...

CVE-2026-42221

Nginx UI is a web user interface for the Nginx web server. From version 2.0.0 to before version 2.3.8, an unauthenticated network attacker can claim the initial administrator account on a fresh nginx-ui instance during the first-run setup window. The public /api/install endpoint is reachable...

CVE-2026-42221 nginx-ui: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim

Nginx UI is a web user interface for the Nginx web server. From version 2.0.0 to before version 2.3.8, an unauthenticated network attacker can claim the initial administrator account on a fresh nginx-ui instance during the first-run setup window. The public /api/install endpoint is reachable...

CVE-2026-42221 nginx-ui: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim

Nginx UI is a web user interface for the Nginx web server. From version 2.0.0 to before version 2.3.8, an unauthenticated network attacker can claim the initial administrator account on a fresh nginx-ui instance during the first-run setup window. The public /api/install endpoint is reachable...

CVE-2026-42221

Summary: CVE-2026-42221 affects nginx-ui versions 2.0.0 through 2.3.7, where an unauthenticated attacker can claim the initial administrator account during first-run via the public /api/install endpoint. The installation flow and public keys are not authenticated, allowing an attacker to set admi...

CVE-2026-42221 nginx-ui: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim

Nginx UI is a web user interface for the Nginx web server. From version 2.0.0 to before version 2.3.8, an unauthenticated network attacker can claim the initial administrator account on a fresh nginx-ui instance during the first-run setup window. The public /api/install endpoint is reachable...

CVE-2026-42220 nginx-ui: Authenticated settings disclosure exposes node.secret and enables trusted-node authentication abuse, backup exfiltration, and restore-based nginx-ui state rollback

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, an authenticated user can call GET /api/settings and retrieve sensitive configuration values, including node.secret. The same node.secret is accepted by AuthRequired through the X-Node-Secret header or nodesecret...

CVE-2026-42220

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, an authenticated user can call GET /api/settings and retrieve sensitive configuration values, including node.secret. The same node.secret is accepted by AuthRequired through the X-Node-Secret header or nodesecret...

CVE-2026-42220 nginx-ui: Authenticated settings disclosure exposes node.secret and enables trusted-node authentication abuse, backup exfiltration, and restore-based nginx-ui state rollback

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, an authenticated user can call GET /api/settings and retrieve sensitive configuration values, including node.secret. The same node.secret is accepted by AuthRequired through the X-Node-Secret header or nodesecret...

CVE-2026-42220

Nginx UI (nginx-ui) prior to version 2.3.8 exposes a vulnerability where an authenticated user can call GET /api/settings to retrieve sensitive values, including node.secret. The node.secret is accepted by AuthRequired() via the X-Node-Secret header (or node_secret query parameter), allowing the ...

CVE-2026-42220 nginx-ui: Authenticated settings disclosure exposes node.secret and enables trusted-node authentication abuse, backup exfiltration, and restore-based nginx-ui state rollback

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, an authenticated user can call GET /api/settings and retrieve sensitive configuration values, including node.secret. The same node.secret is accepted by AuthRequired through the X-Node-Secret header or nodesecret...

CLSA-2026-1777883671 nginx: Fix of 2 CVEs

CVE-2026-27651: fix null pointer dereference in ngxmailauthhttpmodule when authentication retry is enabled with CRAM-MD5 or APOP - CVE-2026-32647: fix buffer over-read/write in ngxhttpmp4module when processing crafted mp4 files with empty stco/co64 atoms...

Nginx UI 信息泄露漏洞

Nginx UI is a web interface for Nginx developed by Jacky. Versions of Nginx UI prior to 2.3.8 had a vulnerability related to information leakage. This vulnerability stemmed from the GetSettings API’s serialization mechanism, which serialized all settings and returned them to authenticated users...

Nginx UI 访问控制错误漏洞

Nginx UI is a web interface for Nginx developed by Jacky. In versions 2.0.0 to 2.3.8 of Nginx UI, there was an access control vulnerability. This vulnerability stemmed from the fact that the public/api/install endpoint required no authentication during the first run, allowing unauthenticated...

Nginx UI 信息泄露漏洞

Nginx UI is a web interface for Nginx developed by Jacky. Versions of Nginx UI prior to 2.3.8 had a vulnerability related to information leakage. This vulnerability stemmed from the ability for authenticated users to call the GET /api/settings request to retrieve sensitive configuration values,...

Nginx UI 访问控制错误漏洞

Nginx UI is a web interface for Nginx developed by Jacky. Version 2.3.5 of Nginx UI contains an access control vulnerability, which stems from unauthenticated privilege escalation during the initial installation process via the POST /api/install endpoint...

Nginx UI 代码注入漏洞

Nginx UI is a web interface for Nginx developed by Jacky. Versions of Nginx UI prior to 2.3.8 had a code injection vulnerability. This vulnerability stemmed from the backup restoration endpoint POST /api/restore, which operates without authentication within the first 10 minutes after the process...