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Vulnerabilities

CVE-2026-45321

Critical 🇺🇸 CISA KEV
Published: May 27, 2026  ·  Source: CISA_KEV
CVSS v3
9.8
🔗 NVD Official
📄 Description (English)

TanStack TanStack — CVE-2026-45321
TanStack contains an unspecified vulnerability that allowed malicious versions of the product to be published to the npm registry to publish credential-stealing malware under a trusted identity.

Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due Date: 2026-06-10

🤖 AI Executive Summary

CVE-2026-45321 represents a critical supply chain attack vulnerability in TanStack where malicious versions containing credential-stealing malware were published to npm under a trusted identity. With a CVSS score of 9.8, this poses severe risk to any organization using TanStack dependencies. The absence of available patches and confirmed exploit activity necessitates immediate inventory and mitigation actions across all affected systems.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 28, 2026 02:40
🇸🇦 Saudi Arabia Impact Assessment
This supply chain vulnerability poses critical risk to Saudi financial institutions (SAMA-regulated banks), government agencies (NCA oversight), and telecommunications providers (STC, Mobily) that utilize TanStack in web applications and development pipelines. Healthcare organizations using TanStack for patient management systems face data breach risks. Energy sector (ARAMCO, utilities) development teams are at risk of credential compromise. The credential-stealing nature directly threatens SAMA's cybersecurity framework requirements for financial data protection and NCA's critical infrastructure security mandates.
🏢 Affected Saudi Sectors
Banking and Financial Services (SAMA-regulated) Government and Critical Infrastructure (NCA oversight) Telecommunications (STC, Mobily, Zain) Healthcare and Medical Services Energy and Utilities (ARAMCO, regional utilities) E-commerce and Retail Technology and Software Development Insurance and Financial Technology
⚖️ Saudi Risk Score (AI)
9.5
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Conduct urgent inventory of all npm dependencies to identify TanStack usage across development and production environments
2. Review npm audit logs and package-lock.json files for suspicious TanStack versions published between vulnerability discovery and current date
3. Isolate affected systems from production networks if TanStack malware versions are confirmed installed
4. Revoke all credentials (API keys, tokens, database passwords) that may have been exposed through compromised TanStack installations
5. Implement network monitoring for outbound connections from systems with TanStack to detect credential exfiltration

PATCHING GUIDANCE:
6. Monitor TanStack official GitHub repository and npm registry for security patches; apply immediately upon availability
7. Until patches available, remove TanStack dependencies or replace with verified alternative libraries
8. If discontinuation not feasible, implement strict npm package verification: use npm ci with locked versions, enable npm audit, implement package signature verification

COMPENSATING CONTROLS:
9. Deploy endpoint detection and response (EDR) solutions to detect credential-stealing malware behavior
10. Implement secrets management solutions (HashiCorp Vault, AWS Secrets Manager) to limit credential exposure
11. Enable multi-factor authentication (MFA) on all critical systems and accounts
12. Deploy network segmentation to limit lateral movement from compromised development systems

DETECTION RULES:
13. Monitor npm registry for TanStack package versions with unusual publication dates or metadata anomalies
14. Alert on outbound HTTPS connections from development systems to unknown C2 infrastructure
15. Monitor for suspicious process execution from node_modules directories
16. Track credential usage anomalies (failed logins, unusual access patterns, geographic impossibilities)
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. إجراء جرد عاجل لجميع تبعيات npm لتحديد استخدام TanStack عبر بيئات التطوير والإنتاج
2. مراجعة سجلات npm والملفات package-lock.json للبحث عن نسخ TanStack المريبة المنشورة
3. عزل الأنظمة المتأثرة عن شبكات الإنتاج إذا تم تأكيد تثبيت نسخ ضارة من TanStack
4. إلغاء جميع بيانات الاعتماد (مفاتيح API، الرموز، كلمات مرور قواعد البيانات) التي قد تكون معرضة للخطر
5. تنفيذ مراقبة الشبكة للاتصالات الصادرة من الأنظمة المصابة للكشف عن سرقة البيانات

توجيهات التصحيح:
6. مراقبة مستودع TanStack الرسمي وسجل npm للتصحيحات الأمنية وتطبيقها فوراً
7. في حالة عدم توفر التصحيحات، إزالة تبعيات TanStack أو استبدالها بمكتبات بديلة موثوقة
8. إذا لم يكن الإيقاف ممكناً، تنفيذ التحقق الصارم من حزم npm: استخدام npm ci مع نسخ مقفلة

الضوابط التعويضية:
9. نشر حلول الكشف والاستجابة على نقاط النهاية (EDR) للكشف عن سلوك سرقة البيانات
10. تنفيذ حلول إدارة الأسرار لتقليل تعريض بيانات الاعتماد
11. تفعيل المصادقة متعددة العوامل (MFA) على جميع الأنظمة والحسابات الحرجة
12. نشر تقسيم الشبكة لتحديد الحركة الجانبية من الأنظمة المصابة

قواعد الكشف:
13. مراقبة سجل npm لنسخ TanStack ذات تواريخ نشر غير عادية
14. التنبيه على الاتصالات الصادرة من الأنظمة الإنمائية إلى البنية الأساسية المجهولة
15. مراقبة تنفيذ العمليات المريبة من دلائل node_modules
16. تتبع شذوذ استخدام بيانات الاعتماد
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Information Security Policies and Procedures ECC 2024 A.6.1.1 - Organization of Information Security ECC 2024 A.8.1.1 - Asset Management and Inventory ECC 2024 A.12.2.1 - Change Management ECC 2024 A.12.6.1 - Management of Technical Vulnerabilities ECC 2024 A.13.1.1 - Network Security ECC 2024 A.14.2.1 - Secure Development and Maintenance
🔵 SAMA CSF
SAMA CSF Governance - Risk Management Framework SAMA CSF Identify - Asset Management and Inventory SAMA CSF Protect - Access Control and Authentication SAMA CSF Detect - Monitoring and Detection SAMA CSF Respond - Incident Response Procedures SAMA CSF Recover - Business Continuity and Disaster Recovery
🟡 ISO 27001:2022
ISO 27001:2022 A.5.1 - Policies for Information Security ISO 27001:2022 A.8.1 - Asset Management ISO 27001:2022 A.8.2 - Information Classification ISO 27001:2022 A.12.2 - Change Management ISO 27001:2022 A.12.6 - Management of Technical Vulnerabilities ISO 27001:2022 A.13.1 - Network Security ISO 27001:2022 A.14.2 - Secure Development
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security Patches and Updates PCI DSS 6.3.1 - Vulnerability Scanning PCI DSS 8.1 - Access Control PCI DSS 10.1 - Logging and Monitoring
🔗 References & Sources 0
No references.
📊 CVSS Score
9.8
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.8
EPSS17.05%
Exploit No
Patch ✗ No
CISA KEV🇺🇸 Yes
Published 2026-05-27
Source Feed cisa_kev
🇸🇦 Saudi Risk Score
9.5
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev cisa exploit-known
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