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Vulnerabilities

CVE-2026-40195

Medium ⚡ Exploit Available
CWE-476 — Weakness Type
Published: May 6, 2026  ·  Modified: May 9, 2026  ·  Source: NVD
CVSS v3
6.5
🔗 NVD Official
📄 Description (English)

Incus is a system container and virtual machine manager. In versions before 7.0.0, missing validation logic in the storage bucket import logic allows an authenticated user with access to the storage bucket feature to cause the Incus daemon to crash. The vulnerability is present in the backup metadata handling logic, where the daemon processes the index.yaml file from an imported archive and accesses members of the parsed backup configuration without first verifying that the configuration object was initialized. A malicious or malformed index.yaml that omits the config block causes a nil-pointer dereference during bucket import operations and terminates the daemon. Repeated use of this issue can be used to keep Incus offline, causing a denial of service. This issue is fixed in version 7.0.0.

🤖 AI Executive Summary

Incus versions before 7.0.0 contain a nil-pointer dereference vulnerability in storage bucket import logic that allows authenticated users to crash the daemon via malformed index.yaml files. Repeated exploitation enables denial of service attacks that can keep the Incus infrastructure offline.

📄 Description (Arabic)

تحتوي ثغرة CVE-2026-40195 على عيب في منطق معالجة بيانات النسخ الاحتياطية حيث يقوم الخادم بالوصول إلى أعضاء كائن التكوين دون التحقق من تهيئته أولاً. يمكن لملف index.yaml المشوه الذي يفتقد كتلة التكوين أن يسبب خطأ إلغاء المؤشر وإنهاء الخادم. يمكن استخدام هذه المشكلة بشكل متكرر لإبقاء بنية Incus غير متصلة.

🤖 ملخص تنفيذي (AI)

إصدارات Incus السابقة للإصدار 7.0.0 تحتوي على ثغرة في منطق استيراد مجموعة التخزين تسمح للمستخدمين المصرحين بإيقاف الخادم عبر ملفات index.yaml معيبة. يمكن استغلال هذه المشكلة بشكل متكرر لإبقاء بنية Incus غير متصلة بالإنترنت.

🤖 AI Intelligence Analysis Analyzed: May 11, 2026 09:18
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
government telecom energy
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.0
/ 10.0
🔧 Remediation Steps (English)
Upgrade Incus to version 7.0.0 or later immediately. Restrict storage bucket import access to trusted administrators only. Implement input validation for backup metadata files. Monitor daemon logs for unexpected crashes and implement alerting for repeated import failures.
🔧 خطوات المعالجة (العربية)
قم بترقية Incus إلى الإصدار 7.0.0 أو أحدث فوراً. قيد الوصول إلى استيراد مجموعة التخزين للمسؤولين الموثوقين فقط. طبق التحقق من صحة المدخلات لملفات بيانات النسخ الاحتياطية. راقب سجلات الخادم للأعطال غير المتوقعة وطبق التنبيهات للفشل المتكرر.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.7.1.1 A.7.1.2 A.12.6.1
🔵 SAMA CSF
ID.BE-1 PR.AC-1 PR.DS-1
🟡 ISO 27001:2022
A.6.1.1 A.9.2.1 A.12.6.1
📦 Affected Products / CPE 1 entries
linuxcontainers:incus
📊 CVSS Score
6.5
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityN — None / Network
AvailabilityH — High
📋 Quick Facts
Severity Medium
CVSS Score6.5
CWECWE-476
EPSS0.05%
Exploit ✓ Yes
Patch ✗ No
Published 2026-05-06
Source Feed nvd
Views 2
🇸🇦 Saudi Risk Score
7.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
exploit-available CWE-476
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