astro vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary

CVE-2026-54298Mediumastro: Astro: XSS via Unescaped Attribute Names in Spread Props CVE-2026-54299Highastro: Astro: Host header SSRF in prerendered error page fetch CVE-2026-50146Highastro: Astro: Reflected XSS via unescaped slot name CVE-2026-45028Lowastro: Astro: Server island encrypted parameters vulnerable to cross-component replay CVE-2026-41067Mediumastro: Astro: XSS in define:vars via incomplete </script> tag sanitization CVE-2026-33769Lowastro: Astro: Remote allowlist bypass via unanchored matchPathname wildcard CVE-2025-66202Mediumastro: Astro has an Authentication Bypass via Double URL Encoding, a bypass for CVE-2025-64765 CVE-2025-65019Mediumastro: Astro Cloudflare adapter has Stored Cross-site Scripting vulnerability in /_image endpoint CVE-2025-64765Mediumastro: Astro's middleware authentication checks based on url.pathname can be bypassed via url encoded…CVE-2025-64764Highastro: Astro vulnerable to reflected XSS via the server islands feature CVE-2025-64757Lowastro: Astro Development Server has Arbitrary Local File Read CVE-2025-64525Mediumastro: Astro vulnerable to URL manipulation via headers, leading to middleware and CVE-2025-61925 bypass CVE-2025-64745Lowastro: Astro development server error page is vulnerable to reflected Cross-site Scripting CVE-2025-59837Highastro: Astro's bypass of image proxy domain validation leads to SSRF and potential XSS CVE-2025-61925Mediumastro: Astro's `X-Forwarded-Host` is reflected without validation CVE-2025-55303Medium@astrojs/node: Astro allows unauthorized third-party images in _image endpoint CVE-2025-54793Mediumastro: Astros's duplicate trailing slash feature leads to an open redirection security issue CVE-2024-56159Highastro: Astro's server source code is exposed to the public if sourcemaps are enabled CVE-2024-56140Mediumastro: Atro CSRF Middleware Bypass (security.checkOrigin)CVE-2024-47885Mediumastro: DOM Clobbering Gadget found in astro's client-side router that leads to XSS

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