
High-performance Go implementation for detecting React Server Components RCE vulnerabilities (CVE-2025-55182 & CVE-2025-66478).
High-performance Go implementation for detecting React Server Components RCE vulnerabilities (CVE-2025-55182 & CVE-2025-66478).
go install github.com/h0tak88r/next88@latest
git clone https://github.com/h0tak88r/next88.git
cd next88
go build -o next88 .
# Scan single host
next88 -u https://example.com
# Scan from file
next88 -l hosts.txt
# With custom threads
next88 -l hosts.txt -t 50
# Safe check (side-channel detection)
next88 -u https://example.com -safe-check
# WAF bypass with custom size
next88 -u https://example.com -waf-bypass -waf-bypass-size 256
# Vercel WAF bypass
next88 -u https://example.com -vercel-waf-bypass
# Double URL encoding bypass
next88 -u https://example.com -double-encode
# Semicolon bypass
next88 -u https://example.com -semicolon-bypass
# Source code exposure check
next88 -u https://example.com -check-source-exposure
# DoS test (send multiple requests)
next88 -u https://example.com --dos-test --dos-requests 200
# Custom paths
next88 -u https://example.com -path /_next -path /api
# Path file
next88 -u https://example.com -path-file paths.txt
# Windows payload
next88 -u https://example.com -windows
# Output to JSON
next88 -l hosts.txt -o results.json -all-results
# With Discord webhook notifications (real-time alerts)
next88 -l hosts.txt --discord-webhook https://discord.com/api/webhooks/...
-u, --url <url> Single URL/host to check
-l, --list <file> File containing list of hosts (one per line)
-t, --threads <num> Number of concurrent threads (default: 10)
--timeout <seconds> Request timeout in seconds (default: 10)
-o, --output <file> Output file for results (JSON format)
--all-results Save all results to output file, not just vulnerable hosts
-k, --insecure Disable SSL certificate verification (default: true)
-v, --verbose Verbose output (show response snippets for all hosts)
-q, --quiet Quiet mode (only show vulnerable hosts)
--no-color Disable colored output
--safe-check Use safe side-channel detection instead of RCE PoC
--windows Use Windows PowerShell payload instead of Unix shell
--waf-bypass Add junk data to bypass WAF content inspection (default: 128KB)
--waf-bypass-size <KB> Size of junk data in KB for WAF bypass (default: 128)
--vercel-waf-bypass Use Vercel WAF bypass payload variant
--path <path> Custom path to test (can be used multiple times)
--path-file <file> File containing list of paths to test (one per line)
--check-source-exposure Check for source code exposure via ACTION_ID extraction from HTML
--double-encode Apply double URL encoding to bypass WAFs
--semicolon-bypass Add semicolons in strategic places to bypass WAFs
--discord-webhook <url> Discord webhook URL for real-time vulnerability notifications
--dos-test Test for Denial of Service by sending multiple requests
--dos-requests <num> Number of requests to send for DoS test (default: 100)
JSON output structure:
{
"scan_time": "2025-12-13T03:35:53Z",
"total_results": 1,
"results": [
{
"host": "https://example.com",
"vulnerable": true,
"status_code": 303,
"final_url": "https://example.com/",
"tested_url": "https://example.com/",
"timestamp": "2025-12-13T03:35:51Z"
}
]
}
This tool is integrated into the AutoAR project and can be used via:
# Via AutoAR main script
./main.sh react2shell_scan run -d example.com
# Via Discord bot
/react2shell_scan domain:example.com
The tool is automatically built and installed in the AutoAR Docker image:
RUN go install github.com/h0tak88r/next88@latest
Based on research from Assetnote Security Research Team.
See LICENSE file for details.