Lucene search
+L

Vercel Source Code Exposure Detection

🗓️ 28 Jul 2026 11:27:38Reported by KittySploitType 
kittysploit
 kittysploit
🔗 kittysploit.com👁 2 Views

Vercel Source Code Exposure misconfiguration allows access to sensitive source code files.

Refs
Code
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""The Vercel Source Code Exposure misconfiguration allows an attacker to access sensitive source code files on t."""

from kittysploit import *
from lib.protocols.http.http_client import Http_client
from lib.scanner.http.response_validation import looks_like_vercel_source_exposure


class Module(Scanner, Http_client):
    __info__ = {
        'name': 'Vercel Source Code Exposure Detection',
        'description': 'The Vercel Source Code Exposure misconfiguration allows an attacker to access sensitive source code files on the Vercel platform.',
        'author': ['KittySploit Team'],
        'severity': 'medium',
        'tags': ['web', 'scanner', 'misconfiguration', 'vercel', 'exposure', 'misconfig', 'vuln'],
        'agent': {
            'risk': 'active',
            'effects': ['network_probe'],
            'expected_requests': 1,
            'reversible': True,
            'approval_required': False,
            'produces': ['tech_hints', 'risk_signals', 'endpoints'],
            'cost': 1.0,
            'noise': 0.3,
            'value': 1.0,
            'requires': {
                'min_endpoints': 0,
                'min_params': 0,
                'tech_hints_any': [],
                'tech_hints_all': [],
                'specializations_any': [],
                'risk_signals_any': [],
                'auth_session': False,
                'capabilities_any': [],
                'capabilities_all': [],
                'confidence_min': {},
                'confidence_min_any': {},
                'endpoint_pattern_any': [],
                'param_any': [],
                'api_surface_ready': False,
            },
            'chain': {
                'produces_capabilities': [
                    {
                        'capability': 'admin_surface',
                        'from_detail': '',
                    },
                ],
                'consumes_capabilities': [],
                'option_bindings': {},
                'suggested_followups': ['auxiliary/scanner/http/login_page_detector'],
            },
        },
        'references': ['https://vercel.com/docs/projects/overview#logs-and-source-protection'],
    }

    def run(self):
        r = self.http_request(method="GET", path='/_src', allow_redirects=True)
        if not r or r.status_code != 200:
            return False
        body = r.text or ""
        if looks_like_vercel_source_exposure(body):
            self.set_info(
                severity='medium',
                reason="Vercel Source Code Exposure detected",
                path='/_src',
            )
            return True
        return False

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

11 Aug 2026 21:26Current
6Medium risk
Vulners AI Score6
2