CLSA-2026-1776791510 nginx: Fix of 5 CVEs

CVE-2017-7529: fix integer overflow in range filter - CVE-2018-16843: fix excessive memory consumption in HTTP/2 - CVE-2018-16844: fix excessive CPU usage in HTTP/2 - CVE-2019-9511: fix excessive memory growth via HTTP/2 DATA frame manipulation - CVE-2019-9513: fix excessive CPU usage via HTTP/2...

CLSA-2026-1776791328 nginx: Fix of 5 CVEs

CVE-2017-7529: fix integer overflow in range filter - CVE-2018-16843: fix excessive memory consumption in HTTP/2 - CVE-2018-16844: fix excessive CPU usage in HTTP/2 - CVE-2019-9511: fix excessive memory growth via HTTP/2 DATA frame manipulation - CVE-2019-9513: fix excessive CPU usage via HTTP/2...

Nginx-UI: Cross-Site WebSocket Hijacking (CSWSH) via missing origin validation on all WebSocket endpoints

Summary All WebSocket endpoints in nginx-ui use a gorilla/websocket Upgrader with CheckOrigin unconditionally returning true, allowing Cross-Site WebSocket Hijacking CSWSH. Combined with the fact that authentication tokens are stored in browser cookies set via JavaScript without HttpOnly or...

EUVD-2026-23972

Nginx-UI: Cross-Site WebSocket Hijacking CSWSH via missing origin validation on all WebSocket endpoints...

GHSA-78MF-482W-62QJ Nginx-UI: Cross-Site WebSocket Hijacking (CSWSH) via missing origin validation on all WebSocket endpoints

Summary All WebSocket endpoints in nginx-ui use a gorilla/websocket Upgrader with CheckOrigin unconditionally returning true, allowing Cross-Site WebSocket Hijacking CSWSH. Combined with the fact that authentication tokens are stored in browser cookies set via JavaScript without HttpOnly or...

Nginx-UI: Disabled users retain full API access through previously issued bearer tokens

Summary A user who was disabled by an administrator can use previously issued API tokens for up to the token lifetime. In practice, disabling a compromised account does not actually terminate that user’s access, so an attacker who already stole a JWT can continue reading and modifying protected...

EUVD-2026-23965

Nginx-UI: Disabled users retain full API access through previously issued bearer tokens...

GHSA-X234-X5VQ-CC2V Nginx-UI: Disabled users retain full API access through previously issued bearer tokens

Summary A user who was disabled by an administrator can use previously issued API tokens for up to the token lifetime. In practice, disabling a compromised account does not actually terminate that user’s access, so an attacker who already stole a JWT can continue reading and modifying protected...

CLSA-2026-1776766448 nginx: Fix of CVE-2026-27654

CVE-2026-27654: fix heap-based buffer overflow in ngxhttpdavmodule triggered by destination URI shorter than alias length in COPY/MOVE requests...

CLEANSTART-2026-AF45008 When multiple server blocks are configured to share the same IP address and port, an attacker can use session resumption to bypass client certificate authentication requirements on these servers

Multiple security vulnerabilities affect the nginx package. When multiple server blocks are configured to share the same IP address and port, an attacker can use session resumption to bypass client certificate authentication requirements on these servers. See references for individual vulnerabili...

PT-2026-36920

Name of the Vulnerable Software and Affected Versions Nginx UI versions prior to 2.3.8 Description An authenticated user can access the 'GET /api/settings' endpoint to retrieve sensitive configuration values, such as node.secret. This secret is accepted by the AuthRequired function via the...

Nginx-UI: Cross-Site WebSocket Hijacking (CSWSH) via missing origin validation on all WebSocket endpoints

All WebSocket endpoints in nginx-ui use a gorilla/websocket Upgrader with CheckOrigin unconditionally returning true, allowing Cross-Site WebSocket Hijacking CSWSH. Combined with the fact that authentication tokens are stored in browser cookies set via JavaScript without HttpOnly or explicit...

PT-2026-36923

Name of the Vulnerable Software and Affected Versions Nginx UI versions prior to 2.3.8 Description The GetSettings API handler in the api/settings/settings.go file serializes all settings structs to JSON and returns them to authenticated users. While many sensitive fields are marked as protected,...

PT-2026-35731

Name of the Vulnerable Software and Affected Versions nginx-ui versions prior to 2.3.8 Description An authentication bypass exists in the backup restore functionality. During the first 10 minutes after a fresh installation or any process restart, the 'POST /api/restore' endpoint is completely...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass through the authentication process. An attacker can maintain unauthorized access to protected resources and perform actions such as reading, modifying, or creating new accounts by using previously issued bearer...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass through the authentication process. An attacker can maintain unauthorized access to protected resources and perform actions such as reading, modifying, or creating new accounts by using previously issued bearer...

Missing Origin Validation in WebSockets

Overview Affected versions of this package are vulnerable to Missing Origin Validation in WebSockets via missing origin validation in all WebSocket endpoints. An attacker can gain unauthorized access to authenticated WebSocket sessions by tricking a logged-in administrator into visiting a malicio...

CVE-2026-34403

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.5, all WebSocket endpoints in nginx-ui use a gorilla/websocket Upgrader with CheckOrigin unconditionally returning true, allowing Cross-Site WebSocket Hijacking CSWSH. Combined with the fact that authentication tokens...

CVE-2026-33031

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, a user who was disabled by an administrator can use previously issued API tokens for up to the token lifetime. In practice, disabling a compromised account does not actually terminate that user’s access, so an...

CVE-2026-33431 Roxy-WI Vulnerable to Authenticated Arbitrary File Read via Path Traversal in Config Version Viewer

Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. Prior to version 8.2.6.4, the POST /config//show API endpoint accepts a configver parameter that is directly appended to a base directory path to construct a local file path, which is subsequently opened and it...