CVE-2026-25545 Astro has Full-Read SSRF in error rendering via Host: header injection

Astro is a web framework. Prior to version 9.5.4, Server-Side Rendered pages that return an error with a prerendered custom error page eg. 404.astro or 500.astro are vulnerable to SSRF. If the Host: header is changed to an attacker's server, it will be fetched on /500.html and they can redirect...

Astro 安全漏洞

Astro is a content-driven website framework developed by Astro OpenSource. Versions 9.0.0 to 9.5.3 of Astro have security vulnerabilities. These vulnerabilities stem from the lack of a default request body size limit on Astro servers, which can lead to memory exhaustion and denial-of-service...

Astro 代码问题漏洞

Astro is a content-driven website framework developed by Astro OpenSource. Versions of Astro prior to 9.5.4 had code vulnerabilities. These vulnerabilities stemmed from server-side rendering of pages, where errors were handled through server-side request forgeing, potentially allowing attackers t...

GHSA-QQ67-MVV5-FW3G Astro has Full-Read SSRF in error rendering via Host: header injection

Summary Server-Side Rendered pages that return an error with a prerendered custom error page eg. 404.astro or 500.astro are vulnerable to SSRF. If the Host: header is changed to an attacker's server, it will be fetched on /500.html and they can redirect this to any internal URL to read the respon...

Astro has Full-Read SSRF in error rendering via Host: header injection

Summary Server-Side Rendered pages that return an error with a prerendered custom error page eg. 404.astro or 500.astro are vulnerable to SSRF. If the Host: header is changed to an attacker's server, it will be fetched on /500.html and they can redirect this to any internal URL to read the respon...

VulnCheck KEV: CVE-2025-55303

Astro is a web framework for content-driven websites. In versions of astro before 5.13.2 and 4.16.18, the image optimization endpoint in projects deployed with on-demand rendering allows images from unauthorized third-party domains to be served. On-demand rendered sites built with Astro include a...

Astro < 5.15.8 Reflected Cross-Site Scripting

Astro framework versions prior to 5.15.8 are vulnerable to a Reflected Cross-Site Scripting ... No source data...

VulnCheck KEV: CVE-2025-64764

Astro is a web framework. Prior to version 5.15.8, a reflected XSS vulnerability is present when the server islands feature is used in the targeted application, regardless of what was intended by the component templates. This issue has been patched in version 5.15.8...

CVE-2025-66202

Astro is a web framework. Versions 5.15.7 and below have a double URL encoding bypass which allows any unauthenticated attacker to bypass path-based authentication checks in Astro middleware, granting unauthorized access to protected routes. While the original CVE-2025-64765 was fixed in v5.15.8,...

CVE-2025-66202

Astro is a web framework. Versions 5.15.7 and below have a double URL encoding bypass which allows any unauthenticated attacker to bypass path-based authentication checks in Astro middleware, granting unauthorized access to protected routes. While the original CVE-2025-64765 was fixed in v5.15.8,...

Astro 安全漏洞

Astro is an Astro open source web framework for content-driven websites. A security vulnerability exists in Astro versions 5.15.7 and below, which stems from a double URL encoding bypass that could allow an unauthenticated attacker to access protected routes...

CVE-2025-66202 Astro has an Authentication Bypass via Double URL Encoding, a bypass for CVE-2025-64765

Astro is a web framework. Versions 5.15.7 and below have a double URL encoding bypass which allows any unauthenticated attacker to bypass path-based authentication checks in Astro middleware, granting unauthorized access to protected routes. While the original CVE-2025-64765 was fixed in v5.15.8,...

CVE-2025-66202

Astro (web framework) is affected by CVE-2025-66202: versions 5.15.7 and below are vulnerable to a double URL encoding bypass that lets unauthenticated attackers bypass middleware pathname checks and access protected routes. The fix for CVE-2025-64765 in 5.15.8 decodes URLs only once, leaving roo...

CVE-2025-66202 Astro has an Authentication Bypass via Double URL Encoding, a bypass for CVE-2025-64765

Astro is a web framework. Versions 5.15.7 and below have a double URL encoding bypass which allows any unauthenticated attacker to bypass path-based authentication checks in Astro middleware, granting unauthorized access to protected routes. While the original CVE-2025-64765 was fixed in v5.15.8,...

PT-2025-48291

Name of the Vulnerable Software and Affected Versions Astro versions 5.15.7 and below Description Astro, a web framework, is affected by a double URL encoding bypass. This allows unauthenticated attackers to bypass path-based authentication checks in Astro middleware, potentially granting...

CVE-2025-64757

Astro is a web framework. Prior to version 5.14.3, a vulnerability has been identified in the Astro framework's development server that allows arbitrary local file read access through the image optimization endpoint. The vulnerability affects Astro development environments and allows remote...

CVE-2025-64765

Astro is a web framework. Prior to version 5.15.8, 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...

CVE-2025-65019

Astro is a web framework. Prior to version 5.15.9, when using Astro's Cloudflare adapter @astrojs/cloudflare with output: 'server', the image optimization endpoint /image contains a critical vulnerability in the isRemoteAllowed function that unconditionally allows data: protocol URLs. This enable...

Astro Cloudflare adapter has Stored Cross-site Scripting vulnerability in /_image endpoint

Summary A Cross-Site Scripting XSS vulnerability exists in Astro when using the @astrojs/cloudflare adapter with output: 'server'. The built-in image optimization endpoint /image uses isRemoteAllowed from Astro’s internal helpers, which unconditionally allows data: URLs. When the endpoint receive...

CVE-2025-65019

Astro is a web framework. Prior to version 5.15.9, when using Astro's Cloudflare adapter @astrojs/cloudflare with output: 'server', the image optimization endpoint /image contains a critical vulnerability in the isRemoteAllowed function that unconditionally allows data: protocol URLs. This enable...