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CVE-2026-33768— Astro: Unauthenticated Path Override via `x-astro-path` / `x_astro_path`

Quick assessment

Affected
withastro astro
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Astro是Astro开源的一个内容驱动网站的 web 框架。 Astro 10.0.2之前版本存在安全漏洞，该漏洞源于读取x-astro-path标头和x_astro_path查询参数时缺少身份验证，可能导致绕过路径限制。

CVSS 6.5 · Medium EPSS 0.50% · P41
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I. Basic Information for CVE-2026-33768

Vulnerability Information
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Vulnerability Title
Astro: Unauthenticated Path Override via `x-astro-path` / `x_astro_path`
Source: CVE Program / CVE List V5
Vulnerability Description
Astro is a web framework. Prior to version 10.0.2, the @astrojs/vercel serverless entrypoint reads the x-astro-path header and x_astro_path query parameter to rewrite the internal request path, with no authentication whatsoever. On deployments without Edge Middleware, this lets anyone bypass Vercel's platform-level path restrictions entirely. The override preserves the original HTTP method and body, so this isn't limited to GET. POST, PUT, DELETE all land on the rewritten path. A Firewall rule blocking /admin/* does nothing when the request comes in as POST /api/health?x_astro_path=/admin/delete-user. This issue has been patched in version 10.0.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
未有动机的代理或中间人(混淆代理)
Source: CVE Program / CVE List V5
Vulnerability Title
Astro 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Astro是Astro开源的一个内容驱动网站的 web 框架。 Astro 10.0.2之前版本存在安全漏洞，该漏洞源于读取x-astro-path标头和x_astro_path查询参数时缺少身份验证，可能导致绕过路径限制。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
withastro astro < 10.0.2 -

II. Public POCs for CVE-2026-33768

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III. Intelligence Information for CVE-2026-33768

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Patches & Fixes for CVE-2026-33768 (2)

Vendor Advisories for CVE-2026-33768 (1)

Vendor Pages for CVE-2026-33768 (1)

Same Patch Batch · withastro · 2026-03-24 · 3 CVEs total

CVE-2026-29772 5.9 MEDIUM Astro: Memory exhaustion DoS due to missing request body size limit in Server Islands
CVE-2026-33769 Astro: Remote allowlist bypass via unanchored matchPathname wildcard

IV. Related Vulnerabilities

Same product: astro
Same vendor: withastro
Same weakness: CWE-441

V. Comments for CVE-2026-33768

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