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Global data_breach Government HIGH 1h Global malware Software Development CRITICAL 1h Global phishing Multiple Sectors HIGH 1h Global vulnerability Web Applications CRITICAL 2h 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 1h Global malware Software Development CRITICAL 1h Global phishing Multiple Sectors HIGH 1h Global vulnerability Web Applications CRITICAL 2h 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 1h Global malware Software Development CRITICAL 1h Global phishing Multiple Sectors HIGH 1h Global vulnerability Web Applications CRITICAL 2h 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-2026-40518

High
CWE-22 — Weakness Type
Published: Apr 17, 2026  ·  Modified: Apr 24, 2026  ·  Source: NVD
CVSS v3
7.1
🔗 NVD Official
📄 Description (English)

ByteDance DeerFlow before commit 2176b2b contains a path traversal and arbitrary file write vulnerability in bootstrap-mode custom-agent creation where the agent name validation is bypassed. Attackers can supply traversal-style values or absolute paths as the agent name to influence directory creation and write files outside the intended custom-agent directory, potentially achieving arbitrary file write on the system subject to filesystem permissions.

🤖 AI Executive Summary

ByteDance DeerFlow contains a path traversal vulnerability in bootstrap-mode custom-agent creation that allows attackers to bypass agent name validation and write files outside intended directories. This vulnerability could lead to arbitrary file write on affected systems, potentially compromising system integrity and confidentiality.

📄 Description (Arabic)

تحتوي نسخة ByteDance DeerFlow السابقة للالتزام 2176b2b على ثغرة اجتياز مسار في وظيفة إنشاء وكيل مخصص في وضع التمهيد. يمكن للمهاجمين تجاوز التحقق من صحة اسم الوكيل بتوفير قيم اجتياز مسار أو مسارات مطلقة، مما يؤدي إلى كتابة ملفات خارج الدليل المقصود.

🤖 ملخص تنفيذي (AI)

ByteDance DeerFlow يحتوي على ثغرة اجتياز المسار في إنشاء وكيل مخصص في وضع التمهيد تسمح للمهاجمين بتجاوز التحقق من صحة اسم الوكيل. يمكن لهذه الثغرة أن تؤدي إلى كتابة ملفات تعسفية على الأنظمة المتأثرة، مما قد يعرض سلامة النظام والسرية للخطر.

🤖 AI Intelligence Analysis Analyzed: May 9, 2026 17:51
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
government telecom banking
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.0
/ 10.0
🔧 Remediation Steps (English)
Update ByteDance DeerFlow to commit 2176b2b or later immediately. Implement strict input validation for agent names to reject path traversal characters and absolute paths. Apply principle of least privilege to filesystem permissions for the DeerFlow process. Monitor file creation activities for suspicious patterns outside expected directories.
🔧 خطوات المعالجة (العربية)
قم بتحديث ByteDance DeerFlow إلى الإصدار 2176b2b أو أحدث على الفور. قم بتطبيق التحقق الصارم من صحة المدخلات لأسماء الوكلاء لرفض أحرف اجتياز المسار والمسارات المطلقة. طبق مبدأ أقل امتياز على أذونات نظام الملفات لعملية DeerFlow. راقب أنشطة إنشاء الملفات للبحث عن أنماط مريبة خارج الدلائل المتوقعة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.12.1.1 A.12.4.1 A.14.2.1
🔵 SAMA CSF
CC6.1 CC6.2 CC7.2
🟡 ISO 27001:2022
A.12.4.1 A.14.2.1 A.14.2.5
📊 CVSS Score
7.1
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityL — Low / Local
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.1
CWECWE-22
EPSS0.03%
Exploit No
Patch ✗ No
Published 2026-04-17
Source Feed nvd
Views 3
🇸🇦 Saudi Risk Score
7.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-22
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