CVE-2025-58179 Astro Cloudflare adapter is vulnerable to Server-Side Request Forgery via /_image endpoint
Attackers can bypass domain restrictions to serve unauthorized content via the image endpoint in Astro's Cloudflare adapter when server output is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-58179?
CVE-2025-58179 is a high-severity server-side request forgery vulnerability in withastro astro, published on 4 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-918
Which versions are affected by CVE-2025-58179?
2 open source packages ship an affected version, including @astrojs/cloudflare. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
@astrojs/cloudflare npm | From 11.0.3 | 12.6.6 |
@astrojs/cloudflare npm | From 11.0.3 | 12.6.6 |
Products include Astro \@Astrojs\/Cloudflare.
How do I fix CVE-2025-58179?
Upgrade @astrojs/cloudflare to 12.6.6 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2025-58179 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-58179 exists.
Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.
Sources
Also known as GHSA-qpr4-c339-7vq8.