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Global data_breach Government HIGH 44m Global malware Software Development CRITICAL 53m Global phishing Multiple Sectors HIGH 1h Global vulnerability Web Applications CRITICAL 1h Global apt Critical Infrastructure CRITICAL 2h Global ransomware Multiple sectors CRITICAL 2h Global supply_chain Software Development, IT Infrastructure, Technology CRITICAL 3h Global vulnerability,data_breach,general Technology, Industrial Control Systems, Telecommunications HIGH 4h Global general Consumer Electronics and Retail MEDIUM 6h Global supply_chain Software Development and Technology HIGH 6h Global data_breach Government HIGH 44m Global malware Software Development CRITICAL 53m Global phishing Multiple Sectors HIGH 1h Global vulnerability Web Applications CRITICAL 1h Global apt Critical Infrastructure CRITICAL 2h Global ransomware Multiple sectors CRITICAL 2h Global supply_chain Software Development, IT Infrastructure, Technology CRITICAL 3h Global vulnerability,data_breach,general Technology, Industrial Control Systems, Telecommunications HIGH 4h Global general Consumer Electronics and Retail MEDIUM 6h Global supply_chain Software Development and Technology HIGH 6h Global data_breach Government HIGH 44m Global malware Software Development CRITICAL 53m Global phishing Multiple Sectors HIGH 1h Global vulnerability Web Applications CRITICAL 1h Global apt Critical Infrastructure CRITICAL 2h Global ransomware Multiple sectors CRITICAL 2h Global supply_chain Software Development, IT Infrastructure, Technology CRITICAL 3h Global vulnerability,data_breach,general Technology, Industrial Control Systems, Telecommunications HIGH 4h Global general Consumer Electronics and Retail MEDIUM 6h Global supply_chain Software Development and Technology HIGH 6h
Vulnerabilities

CVE-2026-6918

High ⚡ Exploit Available
CWE-125 — Weakness Type
Published: May 5, 2026  ·  Modified: May 12, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

In Eclipse Open9J versions 0.21 to 0.58, a pre-authentication remote attacker can crash JITServer by sending a 32-byte crafted TCP message.

🤖 AI Executive Summary

CVE-2026-6918 is a pre-authentication denial-of-service vulnerability in Eclipse OpenJ9 JITServer (versions 0.21-0.58) that allows remote attackers to crash the service with a 32-byte crafted TCP message. With a CVSS score of 7.5 and publicly available exploits, this poses an immediate availability risk to organizations running affected OpenJ9 versions. Patches are available and should be deployed urgently to prevent service disruptions.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 9, 2026 16:55
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations using Eclipse OpenJ9 for Java application development and deployment face immediate service availability risks. Most critical impact on: (1) Banking sector (SAMA-regulated institutions) relying on OpenJ9 for transaction processing systems; (2) Government agencies (NCA oversight) using OpenJ9 in critical infrastructure; (3) Telecommunications providers (STC, Mobily) running OpenJ9-based services; (4) Energy sector (ARAMCO, SEC) utilizing OpenJ9 in operational technology environments. The pre-authentication nature means no credentials are required for exploitation, making this particularly dangerous for internet-facing JITServer instances.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Telecommunications Energy and Utilities Healthcare Technology and Software Development
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all systems running Eclipse OpenJ9 versions 0.21-0.58 using asset inventory and vulnerability scanning tools
2. Isolate or restrict network access to JITServer instances, particularly from untrusted networks
3. Implement network-level filtering to block suspicious TCP connections to JITServer ports

PATCHING:
1. Upgrade Eclipse OpenJ9 to version 0.59 or later immediately
2. Test patches in non-production environments first
3. Schedule maintenance windows for production deployments
4. Verify JITServer functionality post-patch

COMPENSATING CONTROLS (if immediate patching not possible):
1. Deploy WAF/IPS rules to detect and block 32-byte malformed TCP packets to JITServer
2. Implement network segmentation to restrict JITServer access to authorized systems only
3. Enable JITServer logging and monitoring for connection anomalies
4. Configure firewall rules to allow only legitimate client connections

DETECTION:
1. Monitor for unexpected JITServer process crashes and restarts
2. Alert on TCP connections with unusual packet sizes to JITServer ports
3. Track failed connection attempts and protocol violations
4. Review JITServer logs for malformed message handling errors
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع الأنظمة التي تشغل Eclipse OpenJ9 الإصدارات 0.21-0.58 باستخدام أدوات جرد الأصول والمسح الضوئي للثغرات
2. عزل أو تقييد الوصول إلى شبكة مثيلات JITServer، خاصة من الشبكات غير الموثوقة
3. تنفيذ تصفية على مستوى الشبكة لحجب اتصالات TCP المريبة إلى منافذ JITServer

التصحيح:
1. ترقية Eclipse OpenJ9 إلى الإصدار 0.59 أو أحدث فورًا
2. اختبار التصحيحات في بيئات غير الإنتاج أولاً
3. جدولة نوافذ الصيانة لنشر الإنتاج
4. التحقق من وظائف JITServer بعد التصحيح

الضوابط البديلة (إذا لم يكن التصحيح الفوري ممكنًا):
1. نشر قواعد WAF/IPS للكشف عن حجب رسائل TCP المشوهة بحجم 32 بايت إلى JITServer
2. تنفيذ تقسيم الشبكة لتقييد الوصول إلى JITServer للأنظمة المصرح بها فقط
3. تفعيل تسجيل ومراقبة JITServer لشذوذ الاتصال
4. تكوين قواعد جدار الحماية للسماح فقط بالاتصالات الشرعية للعميل

الكشف:
1. مراقبة أعطال عملية JITServer غير المتوقعة وإعادة التشغيل
2. التنبيه على اتصالات TCP بأحجام حزم غير عادية إلى منافذ JITServer
3. تتبع محاولات الاتصال الفاشلة وانتهاكات البروتوكول
4. مراجعة سجلات JITServer لأخطاء معالجة الرسائل المشوهة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.6.1 - Management of technical vulnerabilities ECC 2024 A.12.2.1 - Monitoring and logging of access and activities ECC 2024 A.14.2.1 - Secure development policy and procedures
🔵 SAMA CSF
SAMA CSF ID.RA-1 - Asset management and vulnerability identification SAMA CSF PR.IP-12 - Security patch management SAMA CSF DE.CM-1 - Detection and monitoring of anomalies
🟡 ISO 27001:2022
ISO 27001:2022 A.12.3.1 - Segregation of development, test and production environments ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities ISO 27001:2022 A.8.1.3 - Segregation of duties
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security patches for system components PCI DSS 11.2 - Vulnerability scanning and assessment
📦 Affected Products / CPE 1 entries
eclipse:openj9
📊 CVSS Score
7.5
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityN — None / Network
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.5
CWECWE-125
EPSS0.04%
Exploit ✓ Yes
Patch ✓ Yes
Published 2026-05-05
Source Feed nvd
🇸🇦 Saudi Risk Score
7.8
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
exploit-available patch-available CWE-125
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