Server-Side Request Forgery via /_image endpoint in Astro Cloudflare adapter

Description

When using Astro’s Cloudflare adapter (@astrojs/cloudflare) configured with output: 'server' while using the default imageService: 'compile', the generated image optimization endpoint doesn’t check the URLs it receives, allowing content from unauthorized third-party domains to be served.

Recommendation

Update the @astrojs/cloudflare package to the latest compatible version. Followings are version details:

• Affected version(s): >= 11.0.3, < 12.6.6
• Patched version(s): 12.6.6

References

• GHSA-qpr4-c339-7vq8
• CVE-2025-58179
• CWE-918
• CAPEC-310
• OWASP 2021-A10
• OWASP 2021-A6

Related Issues

• Parse Server is vulnerable to Server-Side Request Forgery (SSRF) via Instagram OAuth Adapter - CVE-2025-68150
• Parse Server Vulnerable to Server-Side Request Forgery (SSRF) in File Upload via URI Format - CVE-2025-64430
• Astro Cloudflare adapter has Stored Cross-site Scripting vulnerability in /_image endpoint - CVE-2025-65019
• Lobe Chat vulnerable to Server-Side Request Forgery with native web fetch module - CVE-2025-62505

Tags:

npm

@astrojs/cloudflare