🛡️ CVE-2026-33768
🟡 CVSS 6.5 — Medium ✅ No Known Exploit CWE-441 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity Medium
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE CWE-441
Public Exploit ✅ No
Source NVD
Published 2026-03-26
Updated 2026-06-02
Modified 2026-03-26

Affected Packages

Software From version Fixed in
@astrojs/vercel — —
\@astrojs\/vercel — 10.0.2

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