CVE-2026-59730 @astrojs/node: Backslash-prefixed paths not recognized as internal by trailing-slash redirect

Astro is a web framework for content-driven websites. In versions 8.1.0 through 11.0.1, when trailingSlash: 'always' is configured, the @astrojs/node standalone server's static file handler appends a trailing slash to request paths and issues a 301 redirect. Paths beginning with /\ slash-backslas...

CVE-2026-59730 @astrojs/node: Backslash-prefixed paths not recognized as internal by trailing-slash redirect

Astro is a web framework for content-driven websites. In versions 8.1.0 through 11.0.1, when trailingSlash: 'always' is configured, the @astrojs/node standalone server's static file handler appends a trailing slash to request paths and issues a 301 redirect. Paths beginning with /\ slash-backslas...

Open Redirect

@astrojs/node is vulnerable to Open Redirect. The vulnerability is due to improper validation of request paths beginning with /\ when trailingSlash: 'always' is enabled, which allows an attacker to craft a URL that redirects users to an external malicious site...

@astrojs/node: Backslash-prefixed paths not recognized as internal by trailing-slash redirect

Impact With trailingSlash: 'always' configured, the @astrojs/node standalone server's static file handler appends a trailing slash to request paths and issues a 301 redirect. Paths beginning with /\ slash-backslash were not recognized as internal paths, so the handler would echo the raw path back...

CVE-2026-41322 @astrojs/node: Cache Poisoning due to incorrect error handling when if-match header is malformed

@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: Cache Poisoning due to incorrect error handling when if-match header is malformed

@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: Cache Poisoning due to incorrect error handling when if-match header is malformed

@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

CVE-2026-41322 affects @astrojs/node used with Astro. Prior to 10.0.5, when a malformed/incorrect If-Match header triggers a precondition failure for static files under /_astro/, the underlying stream emits an error after emitting a file event and the server responds with 500 Internal Server Erro...

Use of Web Browser Cache Containing Sensitive Information

Overview @astrojs/node is a Deploy your site to a Node.js server Affected versions of this package are vulnerable to Use of Web Browser Cache Containing Sensitive Information via the serve-static.ts component. An attacker can cause legitimate users to receive persistent error responses for static...

Allocation of Resources Without Limits or Throttling

Overview @astrojs/node is a Deploy your site to a Node.js server Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the /server-islands/name route handler, which buffers and parses the entire request body as JSON without enforcing a size...

Relative Path Traversal

Overview @astrojs/node is a Deploy your site to a Node.js server Affected versions of this package are vulnerable to Relative Path Traversal via the href parameter in the image optimization endpoint during development mode. An attacker can access arbitrary local image files readable by the Node.j...

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

Overview @astrojs/node is a Deploy your site to a Node.js server Affected versions of this package are vulnerable to Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' via the X-Forwarded-Host header when using the Astro.url property without validation. An attacker c...

Open Redirection

@astrojs/node is vulnerable to Open Redirection. The vulnerability is due to incorrect handling of double slashes with the Node deployment adapter in standalone mode and trailingSlash set to "always," allowing attackers to redirect users to malicious domains...

Open Redirect

Overview @astrojs/node is a Deploy your site to a Node.js server Affected versions of this package are vulnerable to Open Redirect via the trailingSlash configuration in standalone mode with the Node deployment adapter. An attacker can redirect users to external sites by crafting URLs with double...