Backstage: Inconsistent credential enforcement for overlapping proxy routes

Impact An operator can configure overlapping proxy paths with different credential requirements. When a parent path permits unauthenticated access and a nested path requires credentials, the parent exemption can also cover requests handled by the nested proxy. An unauthenticated caller may...

EUVD-2026-93989

Backstage: Inconsistent credential enforcement for overlapping proxy routes...

GHSA-472H-9C5J-PRRR Backstage: Inconsistent credential enforcement for overlapping proxy routes

Impact An operator can configure overlapping proxy paths with different credential requirements. When a parent path permits unauthenticated access and a nested path requires credentials, the parent exemption can also cover requests handled by the nested proxy. An unauthenticated caller may...

CVE-2026-106456

Backstage is an open framework for building developer portals. From 0.5.0 until 0.6.18, the @backstage/plugin-proxy-backend package is affected by inconsistent credential enforcement for overlapping proxy routes. An operator can configure overlapping proxy paths with different credential...

CVE-2026-106456

The Backstage open framework for developer portals is affected by a vulnerability in the @backstage/plugin-proxy-backend package (versions 0.5.0 through 0.6.18 ). The root cause is inconsistent credential enforcement for overlapping proxy routes; if a parent path allows unauthenticated access whi...

CVE-2026-106456 Backstage: Inconsistent credential enforcement for overlapping proxy routes

Backstage is an open framework for building developer portals. From 0.5.0 until 0.6.18, the @backstage/plugin-proxy-backend package is affected by inconsistent credential enforcement for overlapping proxy routes. An operator can configure overlapping proxy paths with different credential...

CVE-2026-106456 Backstage: Inconsistent credential enforcement for overlapping proxy routes

Backstage is an open framework for building developer portals. From 0.5.0 until 0.6.18, the @backstage/plugin-proxy-backend package is affected by inconsistent credential enforcement for overlapping proxy routes. An operator can configure overlapping proxy paths with different credential...

CVE-2026-106456 Backstage: Inconsistent credential enforcement for overlapping proxy routes

Backstage is an open framework for building developer portals. From 0.5.0 until 0.6.18, the @backstage/plugin-proxy-backend package is affected by inconsistent credential enforcement for overlapping proxy routes. An operator can configure overlapping proxy paths with different credential...

PT-2026-107245

Name of the Vulnerable Software and Affected Versions Backstage versions 0.5.0 through 0.6.17 Description The @backstage/plugin-proxy-backend package contains inconsistent credential enforcement for overlapping proxy routes. This occurs when an operator configures overlapping proxy paths with...

CVE-2026-86119

Webstudio through 0.296.0 contains an unauthenticated server-side request forgery vulnerability in the /cgi/image, /cgi/video, and /cgi/asset proxy routes when RESIZEORIGIN environment variable is unset. Attackers can supply arbitrary URLs to these endpoints to read cloud instance metadata, acces...

CVE-2026-86119 Webstudio through 0.296.0 SSRF via /cgi proxy routes

Webstudio through 0.296.0 contains an unauthenticated server-side request forgery vulnerability in the /cgi/image, /cgi/video, and /cgi/asset proxy routes when RESIZEORIGIN environment variable is unset. Attackers can supply arbitrary URLs to these endpoints to read cloud instance metadata, acces...

CVE-2026-86119 Webstudio through 0.296.0 SSRF via /cgi proxy routes

Webstudio through 0.296.0 contains an unauthenticated server-side request forgery vulnerability in the /cgi/image, /cgi/video, and /cgi/asset proxy routes when RESIZEORIGIN environment variable is unset. Attackers can supply arbitrary URLs to these endpoints to read cloud instance metadata, acces...

EUVD-2026-71951

Webstudio through 0.296.0 contains an unauthenticated server-side request forgery vulnerability in the /cgi/image, /cgi/video, and /cgi/asset proxy routes when RESIZEORIGIN environment variable is unset. Attackers can supply arbitrary URLs to these endpoints to read cloud instance metadata, acces...

CVE-2026-86119 Webstudio through 0.296.0 SSRF via /cgi proxy routes

Webstudio through 0.296.0 contains an unauthenticated server-side request forgery vulnerability in the /cgi/image, /cgi/video, and /cgi/asset proxy routes when RESIZEORIGIN environment variable is unset. Attackers can supply arbitrary URLs to these endpoints to read cloud instance metadata, acces...

CVE-2026-86119

Webstudio through version 0.296.0 is affected by an unauthenticated server-side request forgery (SSRF) vulnerability in the /cgi/image, /cgi/video, and /cgi/asset proxy routes. The root cause is that when the RESIZE_ORIGIN environment variable is unset, attackers can supply arbitrary URLs to thes...

PT-2026-86390

Name of the Vulnerable Software and Affected Versions Webstudio versions prior to 0.296.0 Description An unauthenticated server-side request forgery SSRF exists when the RESIZE ORIGIN environment variable is unset. This allows attackers to provide arbitrary URLs to the '/cgi/image', '/cgi/video',...

Guzzle: Proxy-Authorization headers can be sent to origin servers

Impact In affected versions, the built-in cURL handlers CurlHandler and CurlMultiHandler put every first-class request header in cURL's origin header list CURLOPTHTTPHEADER. These handlers are the default when the PHP cURL extension is available. They move Proxy-Authorization to the proxy-only li...

CVE-2026-41246

Contour is a Kubernetes ingress controller using Envoy proxy. From v1.19.0 to before v1.33.4, v1.32.5, and v1.31.6, Contour's Cookie Rewriting feature is vulnerable to Lua code injection. An attacker with RBAC permissions to create or modify HTTPProxy resources can craft a malicious value in...

NextChat 安全漏洞

NextChat is a NextChat open source project for rapid deployment of private ChatGPT web applications. A security vulnerability exists in NextChat 2.16.0 and earlier versions, which stems from a WebDAV proxy failing to normalize or reject point path segments in its wildcard routes, which could lead...