Astro MCP Server 注入漏洞

Astro MCP Server is an app store optimized data query tool by Tim Broddin, an individual developer. An injection vulnerability exists in Astro MCP Server 1.1.1 and earlier versions, which stems from an unknown function in the src/index.ts file in the MCP Tool Query Construction component that...

PT-2026-34233

Summary The defineScriptVars function in Astro's server-side rendering pipeline uses a case-sensitive regex //g to sanitize values injected into inline tags via the define:vars directive. HTML parsers close elements case-insensitively and also accept whitespace or / before the closing , allowing ...

GHSA-JM64-8M5Q-4QH8 Astro has memory exhaustion DoS due to missing request body size limit in Server Actions

Summary Astro server actions have no default request body size limit, which can lead to memory exhaustion DoS. A single large POST to a valid action endpoint can crash the server process on memory-constrained deployments. Details On-demand rendered sites built with Astro can define server actions...

GHSA-GGXQ-HP9W-J794 Astro's middleware authentication checks based on url.pathname can be bypassed via url encoded values

A mismatch exists between how Astro normalizes request paths for routing/rendering and how the application’s middleware reads the path for validation checks. Astro internally applies decodeURI to determine which route to render, while the middleware uses context.url.pathname without applying the...

GHSA-WRWG-2HG8-V723 Astro vulnerable to reflected XSS via the server islands feature

Summary After some research it appears that it is possible to obtain a reflected XSS when the server islands feature is used in the targeted application, regardless of what was intended by the component templates. Details Server islands run in their own isolated context outside of the page reques...

EUVD-2025-176888

Malicious code in pyxis-asthenosphere-astro-server npm...