Astro: Malformed port in the Host header can crash the Node adapter

Summary In the Astro Node adapter, a request whose Host header contains a malformed port for example example.com:65536 or example.com:8080:8080 produced an invalid request URL. The fallback intended to recover from an unparseable URL reused the same malformed host, so it failed again and raised a...

CVE-2026-59730

CVE-2026-59730 affects the Astro ecosystem via the @astrojs/node standalone server. In versions 8.1.0–11.0.1, with trailingSlash: 'always', the static file handler could mishandle paths starting with a backslash (/), echoing the raw path in the Location header of a 301 redirect. Because browsers ...

CVE-2026-41322

@astrojs/node allows Astro to deploy your SSR site to Node targets. Prior to 10.0.5, requesting a static js/css resources from astro path with an incorrect/malformed if-match header returns a 500 error with a one year cache lifetime instead of 412 in some cases. This has the effect that all...

CVE-2026-41322

@astrojs/node allows Astro to deploy your SSR site to Node targets. Prior to 10.0.5, requesting a static js/css resources from astro path with an incorrect/malformed if-match header returns a 500 error with a one year cache lifetime instead of 412 in some cases. This has the effect that all...

@astrojs/node's trailing slash handling causes open redirect issue

Summary Following https://github.com/withastro/astro/security/advisories/GHSA-cq8c-xv66-36gw, there's still an Open Redirect vulnerability in a subset of Astro deployment scenarios. Details Astro 5.12.8 fixed a case where https://example.com//astro.build/press would redirect to the external origi...

GHSA-9X9C-GHC5-JHW9 @astrojs/node's trailing slash handling causes open redirect issue

Summary Following https://github.com/withastro/astro/security/advisories/GHSA-cq8c-xv66-36gw, there's still an Open Redirect vulnerability in a subset of Astro deployment scenarios. Details Astro 5.12.8 fixed a case where https://example.com//astro.build/press would redirect to the external origi...

CVE-2025-55207 @astrojs/node's trailing slash handling causes open redirect issue

Astro is a web framework for content-driven websites. Following CVE-2025-54793 there's still an Open Redirect vulnerability in a subset of Astro deployment scenarios prior to version 9.4.1. Astro 5.12.8 addressed CVE-2025-54793 where https://example.com//astro.build/press would redirect to the...

CVE-2025-55207 @astrojs/node's trailing slash handling causes open redirect issue

Astro is a web framework for content-driven websites. Following CVE-2025-54793 there's still an Open Redirect vulnerability in a subset of Astro deployment scenarios prior to version 9.4.1. Astro 5.12.8 addressed CVE-2025-54793 where https://example.com//astro.build/press would redirect to the...