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high·Web Vulnerabilities·Updated Sep 18, 2025

Astro Cloudflare Adapter - Server Side Request Forgery

Est. Time~10 seconds
Scan TypeGroup Scan
Targetsurl
CostFree
2.9k
Times Used
continuous scan runs
0
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
7.2
CVSShigh
Exploitable remotely over the internet · no authentication required.
Description

Astro is a web framework for content-driven websites. Versions 11.0.3 through 12.6.5 are vulnerable to SSRF when using Astro's Cloudflare adapter. When 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. a A bug in impacted versions of the @astrojs/cloudflare adapter for deployment on Cloudflare’s infrastructure, allows an attacker to bypass the third-party domain restrictions and serve any content from the vulnerable origin. This issue is fixed in version 12.6.6.

Attack Vector
Network
Privileges Req.
None
User Interaction
None
Affected
astroby withastro
>= 11.0.3, < 12.6.6
Updated Sep 18, 2026View on NVD →

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