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Global ransomware Multiple sectors CRITICAL 27m 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 27m 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 27m 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-2026-4878

Medium
CWE-367 — Weakness Type
Published: Apr 9, 2026  ·  Modified: Apr 9, 2026  ·  Source: NVD
CVSS v3
6.7
🔗 NVD Official
📄 Description (English)

A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use (TOCTOU) race condition in the `cap_set_file()` function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By doing so, capabilities can be injected into or stripped from unintended executables, leading to privilege escalation.

🤖 AI Executive Summary

A TOCTOU race condition in libcap's cap_set_file() function allows local unprivileged users to redirect file capability updates to attacker-controlled files. This enables privilege escalation by injecting or stripping capabilities from unintended executables.

📄 Description (Arabic)

تم اكتشاف ثغرة تسابق زمني (TOCTOU) في دالة cap_set_file() بمكتبة libcap تسمح لمستخدم محلي غير متميز باستغلالها. يمكن للمهاجم الذي لديه حق الكتابة في مجلد أب أن يعيد توجيه تحديثات قدرات الملفات إلى ملف يتحكم به. هذا يؤدي إلى تصعيد الامتيازات من خلال حقن أو إزالة القدرات من الملفات التنفيذية غير المقصودة.

🤖 ملخص تنفيذي (AI)

A time-of-check-to-time-of-use race condition in libcap allows local users to redirect capability updates through symlink attacks. Attackers can escalate privileges by manipulating file capabilities on unintended binaries.

🤖 AI Intelligence Analysis Analyzed: May 10, 2026 17:49
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking telecom energy government healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.0
/ 10.0
🔧 Remediation Steps (English)
Update libcap to the latest patched version immediately. Restrict write permissions on parent directories containing sensitive executables. Implement file system monitoring to detect suspicious capability modifications. Apply principle of least privilege for local user accounts.
🔧 خطوات المعالجة (العربية)
قم بتحديث مكتبة libcap إلى أحدث إصدار معدل فوراً. قيد أذونات الكتابة على المجلدات الأب التي تحتوي على ملفات تنفيذية حساسة. طبق مراقبة نظام الملفات للكشف عن تعديلات القدرات المريبة. طبق مبدأ أقل امتياز للحسابات المحلية.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
AC-2 AC-3 AC-6
🔵 SAMA CSF
CC-6.1 CC-6.2 CC-7.2
🟡 ISO 27001:2022
A.9.2.1 A.9.2.5 A.9.4.3
📊 CVSS Score
6.7
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack VectorL — Low / Local
Attack ComplexityH — High
Privileges RequiredL — Low / Local
User InteractionR — Required
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity Medium
CVSS Score6.7
CWECWE-367
EPSS0.01%
Exploit No
Patch ✗ No
Published 2026-04-09
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
7.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-367
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