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Vulnerabilities

CVE-2026-5607

Medium
CWE-918 — Weakness Type
Published: Apr 6, 2026  ·  Modified: Apr 9, 2026  ·  Source: NVD
CVSS v3
6.3
🔗 NVD Official
📄 Description (English)

A security vulnerability has been detected in imprvhub mcp-browser-agent up to 0.8.0. This impacts the function CallToolRequestSchema of the file src/handlers.ts of the component URL Parameter Handler. The manipulation of the argument request.params.name/request.params.arguments leads to server-side request forgery. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

🤖 AI Executive Summary

CVE-2026-5607 is a Server-Side Request Forgery (SSRF) vulnerability in imprvhub mcp-browser-agent versions up to 0.8.0, affecting the URL Parameter Handler component. The vulnerability allows remote attackers to manipulate request parameters to forge server-side requests, potentially enabling unauthorized access to internal resources. With no patch available and public exploit disclosure, immediate mitigation is required for organizations using this component.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 19, 2026 14:04
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi organizations using mcp-browser-agent in development, automation, or integration platforms. Most at-risk sectors include: Government agencies (NCA, CITC) using this component for web automation; Financial institutions (SAMA-regulated banks) integrating this library for API testing or data processing; Telecommunications companies (STC, Mobily) employing this in backend services; Healthcare providers using it for system integration; Energy sector (ARAMCO) if used in operational technology environments. The SSRF vulnerability could enable attackers to access internal APIs, databases, or services not exposed to the internet, potentially leading to data exfiltration or lateral movement within critical infrastructure.
🏢 Affected Saudi Sectors
Government Banking and Financial Services Telecommunications Healthcare Energy and Utilities Technology and Software Development
⚖️ Saudi Risk Score (AI)
7.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all systems and applications using imprvhub mcp-browser-agent versions up to 0.8.0 through dependency scanning and software inventory
2. Isolate affected systems from production environments if possible, or implement network segmentation
3. Review access logs for suspicious URL parameter manipulation attempts

Patching Guidance:
1. Monitor the official imprvhub GitHub repository for security updates and patches
2. Prepare to upgrade to version 0.8.1 or later once available
3. If no patch is released within 30 days, consider replacing the component with alternative solutions

Compensating Controls (Until Patch Available):
1. Implement strict input validation on request.params.name and request.params.arguments using allowlist-based URL validation
2. Deploy Web Application Firewall (WAF) rules to detect and block SSRF patterns (internal IP ranges, localhost, metadata service endpoints)
3. Restrict outbound network access from affected servers to only necessary external endpoints using firewall rules
4. Disable or restrict access to internal service endpoints (169.254.169.254, 127.0.0.1, private IP ranges)
5. Implement network segmentation to prevent compromised systems from accessing sensitive internal resources

Detection Rules:
1. Monitor for HTTP requests with suspicious URL parameters containing internal IP addresses (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16)
2. Alert on requests attempting to access localhost, 127.0.0.1, or metadata service endpoints
3. Log and review all requests to CallToolRequestSchema endpoint with unusual parameter values
4. Implement SIEM rules to detect multiple failed connection attempts to internal services from the affected application
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع الأنظمة والتطبيقات التي تستخدم imprvhub mcp-browser-agent الإصدارات حتى 0.8.0 من خلال فحص التبعيات وجرد البرامج
2. عزل الأنظمة المتأثرة عن بيئات الإنتاج إن أمكن، أو تنفيذ تقسيم الشبكة
3. مراجعة سجلات الوصول للكشف عن محاولات معالجة معاملات URL المريبة

إرشادات التصحيح:
1. مراقبة مستودع imprvhub الرسمي على GitHub للحصول على تحديثات الأمان والتصحيحات
2. التحضير للترقية إلى الإصدار 0.8.1 أو أحدث عند توفره
3. إذا لم يتم إصدار تصحيح خلال 30 يومًا، فكر في استبدال المكون بحلول بديلة

الضوابط التعويضية (حتى توفر التصحيح):
1. تنفيذ التحقق الصارم من المدخلات على request.params.name و request.params.arguments باستخدام التحقق من URL القائم على القائمة البيضاء
2. نشر قواعد جدار حماية تطبيقات الويب (WAF) للكشف عن أنماط SSRF وحجبها (نطاقات IP الداخلية، localhost، نقاط نهاية خدمة البيانات الوصفية)
3. تقييد الوصول الشبكي الصادر من الخوادم المتأثرة إلى نقاط النهاية الخارجية الضرورية فقط باستخدام قواعد جدار الحماية
4. تعطيل أو تقييد الوصول إلى نقاط نهاية الخدمة الداخلية (169.254.169.254، 127.0.0.1، نطاقات IP الخاصة)
5. تنفيذ تقسيم الشبكة لمنع الأنظمة المخترقة من الوصول إلى الموارد الداخلية الحساسة

قواعد الكشف:
1. مراقبة طلبات HTTP بمعاملات URL مريبة تحتوي على عناوين IP داخلية (10.0.0.0/8، 172.16.0.0/12، 192.168.0.0/16)
2. التنبيه على الطلبات التي تحاول الوصول إلى localhost أو 127.0.0.1 أو نقاط نهاية خدمة البيانات الوصفية
3. تسجيل ومراجعة جميع الطلبات إلى نقطة نهاية CallToolRequestSchema بقيم معاملات غير عادية
4. تنفيذ قواعد SIEM للكشف عن محاولات اتصال متعددة فاشلة بالخدمات الداخلية من التطبيق المتأثر
📋 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
🔵 SAMA CSF
SAMA CSF ID.BE-3 - Organizational resilience SAMA CSF PR.AC-3 - Access enforcement SAMA CSF PR.AC-4 - Access rights management SAMA CSF DE.CM-1 - Network monitoring
🟡 ISO 27001:2022
ISO 27001:2022 A.5.15 - Supplier relationships ISO 27001:2022 A.8.1 - User endpoint devices ISO 27001:2022 A.8.3 - Access control ISO 27001:2022 A.13.1 - Network security
🟣 PCI DSS v4.0.1
PCI DSS 1.3 - Firewall configuration standards PCI DSS 6.2 - Security patches and updates PCI DSS 6.5.10 - Broken authentication
📊 CVSS Score
6.3
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityL — Low / Local
IntegrityL — Low / Local
AvailabilityL — Low / Local
📋 Quick Facts
Severity Medium
CVSS Score6.3
CWECWE-918
EPSS0.03%
Exploit No
Patch ✗ No
Published 2026-04-06
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
7.2
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-918
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