Juice Shop Ssrf May 2026

Or more classically: The functionality, where you provide a URL to an image of your broken juice. The server tries to fetch that image to validate it. The Vulnerability: Unvalidated URL Fetching Let's look at the pseudo-code of the vulnerable endpoint:

const dns = require('dns').promises; const ip = await dns.lookup(urlObj.hostname); if (isPrivateIP(ip.address)) throw new Error('Blocked'); The SSRF vulnerability in OWASP Juice Shop is small but elegant. It demonstrates a single line of missing validation leading to a complete breach of network segmentation. For penetration testers, mastering SSRF means understanding that the server is just another user—one with far more privileges.

); );

(Note: Exact path varies by version; check the challenge description in Juice Shop). SSRF is rarely an end in itself. In Juice Shop, it's a proof-of-concept, but in real systems, combine SSRF with other vulnerabilities: 1. Cloud Metadata Extraction If Juice Shop were deployed on AWS with a misconfigured IMDSv1:

But the real SSRF is not directly in the Order ID. It's in the or "Complaint" feature, depending on the version. In the standard Juice Shop SSRF challenge, the vulnerable endpoint is: juice shop ssrf

"url": "http://169.254.169.254/latest/meta-data/iam/security-credentials/admin" This would return the server's temporary AWS keys. Using the gopher:// protocol (if enabled in the request library or http module):

For defenders, the lesson is clear: . Validate the destination as if your internal network depends on it—because it does. This article is for educational purposes. Always test on systems you own or have explicit permission to test. Or more classically: The functionality, where you provide

POST /api/image/uploads HTTP/1.1 Host: juice-shop.local Content-Type: application/json "url": "http://localhost:3000/some/path"