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Global ransomware Multiple sectors CRITICAL 30m Global supply_chain Software Development, IT Infrastructure, Technology CRITICAL 1h Global vulnerability,data_breach,general Technology, Industrial Control Systems, Telecommunications HIGH 2h Global general Consumer Electronics and Retail MEDIUM 4h Global supply_chain Software Development and Technology HIGH 4h Global general Artificial Intelligence and Software Development LOW 5h Global general Artificial Intelligence and Cybersecurity MEDIUM 5h Global malware Software Development / Technology HIGH 6h Global vulnerability Information Technology HIGH 6h Global data_breach Water Utilities / Critical Infrastructure HIGH 6h Global ransomware Multiple sectors CRITICAL 30m Global supply_chain Software Development, IT Infrastructure, Technology CRITICAL 1h Global vulnerability,data_breach,general Technology, Industrial Control Systems, Telecommunications HIGH 2h Global general Consumer Electronics and Retail MEDIUM 4h Global supply_chain Software Development and Technology HIGH 4h Global general Artificial Intelligence and Software Development LOW 5h Global general Artificial Intelligence and Cybersecurity MEDIUM 5h Global malware Software Development / Technology HIGH 6h Global vulnerability Information Technology HIGH 6h Global data_breach Water Utilities / Critical Infrastructure HIGH 6h Global ransomware Multiple sectors CRITICAL 30m Global supply_chain Software Development, IT Infrastructure, Technology CRITICAL 1h Global vulnerability,data_breach,general Technology, Industrial Control Systems, Telecommunications HIGH 2h Global general Consumer Electronics and Retail MEDIUM 4h Global supply_chain Software Development and Technology HIGH 4h Global general Artificial Intelligence and Software Development LOW 5h Global general Artificial Intelligence and Cybersecurity MEDIUM 5h Global malware Software Development / Technology HIGH 6h Global vulnerability Information Technology HIGH 6h Global data_breach Water Utilities / Critical Infrastructure HIGH 6h
Vulnerabilities

CVE-2026-21939

High
Vulnerability in the SQLcl component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.0. Difficult to exploit vulnerability allows unauthenticated attacker with logon
Published: Jan 20, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
7.0
🔗 NVD Official
📄 Description (English)

Vulnerability in the SQLcl component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.0. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where SQLcl executes to compromise SQLcl. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of SQLcl. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).

🤖 AI Executive Summary

A high-severity vulnerability in Oracle SQLcl (versions 23.4.0-23.26.0) allows local attackers to compromise the tool through social engineering, requiring user interaction. While exploitation is difficult and no public exploits exist, successful attacks grant complete control over SQLcl with high impact on confidentiality, integrity, and availability. Saudi organizations using Oracle Database with SQLcl should prioritize patching to versions beyond 23.26.0.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 10, 2026 08:02
🇸🇦 Saudi Arabia Impact Assessment
Banking sector (SAMA-regulated institutions) and government agencies using Oracle Database for critical operations face moderate risk. Financial institutions relying on SQLcl for database administration and reporting are most vulnerable. Energy sector (ARAMCO and subsidiaries) and telecommunications (STC, Mobily) using Oracle infrastructure could experience operational disruption. Healthcare organizations managing patient data through Oracle systems require immediate attention. The local-only attack vector reduces immediate risk but insider threats and supply chain compromises remain concerns.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Healthcare and Medical Services Energy and Utilities Telecommunications Manufacturing Education and Research
⚖️ Saudi Risk Score (AI)
6.2
/ 10.0
🔧 Remediation Steps (English)
1. IMMEDIATE ACTIONS:
- Identify all systems running SQLcl versions 23.4.0-23.26.0 across your infrastructure
- Restrict local access to systems running vulnerable SQLcl versions
- Implement principle of least privilege for database administrator accounts
- Monitor for suspicious SQLcl process execution and file modifications

2. PATCHING GUIDANCE:
- Upgrade SQLcl to version 23.27.0 or later immediately
- Test patches in non-production environments first
- Schedule patching during maintenance windows with minimal business impact
- Verify patch installation by checking SQLcl version: sqlcl -version

3. COMPENSATING CONTROLS:
- Disable SQLcl on systems where it is not required
- Implement application whitelisting to prevent unauthorized SQLcl execution
- Use file integrity monitoring (FIM) on SQLcl installation directories
- Enforce multi-factor authentication for database administrator access
- Implement endpoint detection and response (EDR) solutions

4. DETECTION RULES:
- Monitor for unexpected SQLcl process spawning with elevated privileges
- Alert on modifications to SQLcl binary or configuration files
- Track unusual database connection patterns from SQLcl
- Log all SQLcl command execution and script loading activities
🔧 خطوات المعالجة (العربية)
1. الإجراءات الفورية:
- تحديد جميع الأنظمة التي تقوم بتشغيل إصدارات SQLcl الضعيفة 23.4.0-23.26.0
- تقييد الوصول المحلي للأنظمة التي تقوم بتشغيل إصدارات SQLcl الضعيفة
- تطبيق مبدأ أقل صلاحية لحسابات مسؤولي قواعد البيانات
- مراقبة تنفيذ عمليات SQLcl المريبة وتعديلات الملفات

2. إرشادات التصحيح:
- ترقية SQLcl إلى الإصدار 23.27.0 أو أحدث فوراً
- اختبار التصحيحات في بيئات غير الإنتاج أولاً
- جدولة التصحيح خلال نوافذ الصيانة بأقل تأثير على الأعمال
- التحقق من تثبيت التصحيح بفحص إصدار SQLcl

3. الضوابط البديلة:
- تعطيل SQLcl على الأنظمة التي لا تتطلبها
- تطبيق قائمة بيضاء للتطبيقات لمنع تنفيذ SQLcl غير المصرح به
- استخدام مراقبة سلامة الملفات على دلائل تثبيت SQLcl
- فرض المصادقة متعددة العوامل لوصول مسؤولي قواعد البيانات
- تطبيق حلول الكشف والاستجابة على نقطة النهاية

4. قواعد الكشف:
- مراقبة عمليات SQLcl غير المتوقعة بامتيازات مرتفعة
- التنبيه على تعديلات ملف SQLcl الثنائي أو ملفات التكوين
- تتبع أنماط اتصال قاعدة البيانات غير العادية من SQLcl
- تسجيل جميع أنشطة تنفيذ أوامر SQLcl وتحميل البرامج النصية
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.4.1 - Event logging and monitoring of database access ECC 2024 A.12.4.3 - Protection of log information ECC 2024 A.14.2.1 - Secure development policy ECC 2024 A.5.1.1 - Information security policies and procedures
🔵 SAMA CSF
SAMA CSF ID.AM-2 - Software and hardware inventory SAMA CSF PR.AC-1 - Access control and user identity management SAMA CSF DE.CM-1 - System monitoring and anomaly detection SAMA CSF RS.MI-2 - Incident response and recovery procedures
🟡 ISO 27001:2022
ISO 27001:2022 A.5.23 - Information security for supplier relationships ISO 27001:2022 A.8.1 - User endpoint devices ISO 27001:2022 A.8.3 - Access control ISO 27001:2022 A.12.4 - Logging
🟣 PCI DSS v4.0.1
PCI DSS 2.4 - Maintain inventory of system components PCI DSS 6.2 - Ensure security patches are installed PCI DSS 10.2 - Implement automated audit trails
📦 Affected Products / CPE 1 entries
oracle:database_server
📊 CVSS Score
7.0
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack VectorL — Low / Local
Attack ComplexityH — High
Privileges RequiredN — None / Network
User InteractionR — Required
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.0
Exploit No
Patch ✓ Yes
Published 2026-01-20
Source Feed nvd
Views 5
🇸🇦 Saudi Risk Score
6.2
/ 10.0 — Saudi Risk
Priority: HIGH
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