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Apache Spark Application UI - Exposed Detection

🗓️ 28 Jul 2026 11:27:38Reported by KittySploitType 
kittysploit
 kittysploit
🔗 kittysploit.com👁 4 Views

Apache Spark exposed PySparkShell Application UI on port 4040 may leak cluster information.

Refs
Code
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Detects exposed PySparkShell Application UI by Apache Spark on port 4040."""

from kittysploit import *
from lib.protocols.http.http_client import Http_client


class Module(Scanner, Http_client):
    __info__ = {
        'name': 'Apache Spark Application UI - Exposed Detection',
        'description': 'Detects exposed PySparkShell Application UI by Apache Spark on port 4040. The UI should not be exposed to the internet as it may leak sensitive job and cluster information.',
        'author': ['KittySploit Team'],
        'severity': 'medium',
        'tags': ['web', 'scanner', 'misconfiguration', 'spark', 'pyspark', 'ui', 'exposed', 'panel', 'apache', 'vuln'],
        'agent': {
            'risk': 'active',
            'effects': ['network_probe'],
            'expected_requests': 2,
            '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://spark.apache.org/docs/latest/web-ui.html'],
    }

    def run(self):
        for path in ('/jobs/', '/:4040/jobs/'):
            r = self.http_request(method="GET", path=path, allow_redirects=False)
            if not r or r.status_code != 200:
                continue
            body = r.text or ""
            body_all = ('Spark Jobs', 'application UI',)
            if (all(m in body for m in body_all)):
                self.set_info(
                    severity='medium',
                    reason="Apache Spark Application UI - Exposed detected",
                    path=path,
                )
                return True
        return False

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28 Jul 2026 11:27Current
5.5Medium risk
Vulners AI Score5.5
4