📄 Description (English)
An unauthenticated remote attacker can bypass authentication by exploiting insufficient URI validation and using path traversal sequences (e.g., /js/../cgi-bin/post.cgi), gaining unauthorized access to protected CGI endpoints and configuration downloads.
🤖 AI Executive Summary
CVE-2026-22905 is a high-severity path traversal vulnerability (CVSS 7.5) affecting unspecified products with CGI endpoints. Unauthenticated attackers can bypass authentication using malformed URIs with path traversal sequences to access protected CGI scripts and download sensitive configuration files. This vulnerability poses significant risk to organizations relying on web applications with inadequate URI validation, particularly in critical infrastructure sectors.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 4, 2026 08:54
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations in banking (SAMA-regulated institutions), government agencies (NCA oversight), telecommunications (STC, Mobily), energy sector (ARAMCO, SEC), and healthcare systems are at elevated risk. Legacy web applications and administrative interfaces commonly used in these sectors may be vulnerable. Configuration file exposure could reveal database credentials, API keys, and internal network topology, enabling lateral movement and data exfiltration. Government and critical infrastructure entities face heightened risk due to potential exposure of sensitive operational data.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Telecommunications
Energy and Utilities
Healthcare
Critical Infrastructure
E-commerce and Retail
🎯 MITRE ATT&CK Techniques
T1190 - Exploit Public-Facing Application
T1566 - Phishing (if used for initial access)
T1021 - Remote Services (post-exploitation)
T1005 - Data from Local System (configuration file access)
T1040 - Traffic Sniffing (credential exposure from configs)
T1087 - Account Discovery (from exposed configs)
T1526 - Reconnaissance (network topology from configs)
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all web applications and services using CGI endpoints in your environment
2. Implement Web Application Firewall (WAF) rules to block requests containing path traversal sequences (../, ..\ , %2e%2e, etc.)
3. Restrict access to /cgi-bin/ and similar administrative directories using network segmentation
4. Enable comprehensive logging and monitoring of URI requests for anomalous patterns
PATCHING GUIDANCE:
1. Apply available patches immediately to all affected products
2. Prioritize patching for internet-facing systems and those handling sensitive data
3. Test patches in non-production environments before deployment
4. Maintain patch inventory and track deployment status across all systems
COMPENSATING CONTROLS (if patch unavailable):
1. Implement strict input validation: normalize and validate all URI paths before processing
2. Use allowlist-based URI validation rather than blacklist approaches
3. Disable directory listing and restrict file permissions on CGI directories
4. Implement authentication at the web server level (Apache, Nginx) using .htaccess or equivalent
5. Deploy reverse proxy with URI normalization capabilities
DETECTION RULES:
1. Monitor for HTTP requests containing: ../, ..\ , %2e%2e, %252e, double-encoded sequences
2. Alert on access attempts to /cgi-bin/ endpoints from unexpected sources
3. Track failed authentication attempts followed by path traversal attempts
4. Monitor for configuration file downloads (.conf, .cfg, .ini, web.config)
5. Implement SIEM rules: (request_uri contains "../" OR request_uri contains "..\\" OR request_uri contains "%2e%2e") AND (uri contains "cgi-bin" OR uri contains "config")
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع تطبيقات الويب والخدمات التي تستخدم نقاط نهاية CGI في بيئتك
2. تنفيذ قواعد جدار حماية تطبيقات الويب (WAF) لحظر الطلبات التي تحتوي على تسلسلات اجتياز المسار
3. تقييد الوصول إلى /cgi-bin/ والمجلدات الإدارية المماثلة باستخدام تقسيم الشبكة
4. تفعيل السجلات الشاملة ومراقبة طلبات URI للأنماط الشاذة
إرشادات التصحيح:
1. تطبيق التصحيحات المتاحة فوراً على جميع المنتجات المتأثرة
2. إعطاء الأولوية لتصحيح الأنظمة المتصلة بالإنترنت والتي تتعامل مع البيانات الحساسة
3. اختبار التصحيحات في بيئات غير الإنتاج قبل النشر
4. الحفاظ على جرد التصحيحات وتتبع حالة النشر عبر جميع الأنظمة
الضوابط البديلة (إذا لم يكن التصحيح متاحاً):
1. تنفيذ التحقق الصارم من المدخلات: تطبيع والتحقق من صحة جميع مسارات URI قبل المعالجة
2. استخدام التحقق من صحة URI القائم على القائمة البيضاء بدلاً من نهج القائمة السوداء
3. تعطيل قائمة الدليل وتقييد أذونات الملفات في مجلدات CGI
4. تنفيذ المصادقة على مستوى خادم الويب باستخدام .htaccess أو ما يعادله
5. نشر وكيل عكسي مع قدرات تطبيع URI
قواعد الكشف:
1. مراقبة طلبات HTTP التي تحتوي على: ../ أو ..\ أو %2e%2e أو %252e أو تسلسلات مشفرة مزدوجة
2. تنبيهات محاولات الوصول إلى نقاط نهاية /cgi-bin/ من مصادر غير متوقعة
3. تتبع محاولات المصادقة الفاشلة متبوعة بمحاولات اجتياز المسار
4. مراقبة تنزيلات ملفات التكوين
5. تنفيذ قواعد SIEM للكشف عن الأنماط المريبة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.14.2.1 - Information security requirements for supplier relationships
ECC 2024 A.14.2.5 - Addressing information security in supplier agreements
ECC 2024 A.13.1.3 - Segregation of networks
ECC 2024 A.13.2.1 - Network access control
ECC 2024 A.14.3.1 - Information and communication technology supply chain
🔵 SAMA CSF
SAMA CSF ID.AM-2 - Software, platforms, and applications within the organization are inventoried
SAMA CSF PR.AC-1 - Identities and credentials are issued, managed, verified, revoked, and audited
SAMA CSF PR.AC-3 - Access is managed through access control policies
SAMA CSF DE.CM-1 - The network is monitored to detect potential cybersecurity events
SAMA CSF DE.AE-1 - A baseline of network operations and expected data flows is established
🟡 ISO 27001:2022
ISO 27001:2022 A.5.15 - Access control
ISO 27001:2022 A.8.3 - Cryptography
ISO 27001:2022 A.8.22 - Monitoring
ISO 27001:2022 A.8.23 - Web application security
ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities
🟣 PCI DSS v4.0.1
PCI DSS 6.5.1 - Injection flaws prevention
PCI DSS 6.5.10 - Broken authentication prevention
PCI DSS 11.3 - Penetration testing and vulnerability scanning
🔗 References & Sources 1