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 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

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 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: Incorrect Authorization

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...

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...

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...

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-2026-54021

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, several direct, index-addressed Ollama proxy routes accept a caller-supplied urlidx path parameter and use it as a raw index into the admin-configured OLLAMABASEURLS list. Access...