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Vulnerabilities

CVE-2026-34091

High
CWE-200 — Weakness Type
Published: May 11, 2026  ·  Modified: May 18, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.

This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

🤖 AI Executive Summary

CVE-2026-34091 is a sensitive information exposure vulnerability in MediaWiki affecting versions before 1.43.7, 1.44.4, and 1.45.2. Unauthorized actors can access confidential data through improper access controls in the Wikimedia Foundation's platform.

📄 Description (Arabic)

تؤثر هذه الثغرة على منصة MediaWiki من Wikimedia Foundation وتسمح بتسريب المعلومات الحساسة للمستخدمين غير المصرح لهم. المشكلة موجودة في الإصدارات السابقة للإصدارات 1.43.7 و 1.44.4 و 1.45.2 وتنتج عن عناصر تحكم وصول ضعيفة.

🤖 ملخص تنفيذي (AI)

ثغرة تسريب المعلومات الحساسة في MediaWiki تؤثر على الإصدارات السابقة للإصدارات 1.43.7 و 1.44.4 و 1.45.2. يمكن للمستخدمين غير المصرح لهم الوصول إلى البيانات السرية من خلال عناصر تحكم الوصول غير الكافية.

🤖 AI Intelligence Analysis Analyzed: May 15, 2026 01:16
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: medium
🏢 Affected Saudi Sectors
government healthcare telecom
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.0
/ 10.0
🔧 Remediation Steps (English)
Immediately upgrade MediaWiki to version 1.43.7, 1.44.4, 1.45.2 or later. Review access control configurations, audit logs for unauthorized access attempts, and implement principle of least privilege for user permissions.
🔧 خطوات المعالجة (العربية)
قم بترقية MediaWiki فوراً إلى الإصدار 1.43.7 أو 1.44.4 أو 1.45.2 أو أحدث. راجع إعدادات التحكم في الوصول وسجلات التدقيق لمحاولات الوصول غير المصرح بها وطبق مبدأ أقل امتياز للأذونات.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1.1 5.1.2 5.2.1
🔵 SAMA CSF
AC-2 AC-3 SI-4
🟡 ISO 27001:2022
A.9.1.1 A.9.2.1 A.9.4.1
📦 Affected Products / CPE 3 entries
mediawiki:mediawiki
mediawiki:mediawiki
mediawiki:mediawiki
📊 CVSS Score
7.5
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityN — None / Network
AvailabilityN — None / Network
📋 Quick Facts
Severity High
CVSS Score7.5
CWECWE-200
EPSS0.04%
Exploit No
Patch ✗ No
Published 2026-05-11
Source Feed nvd
🇸🇦 Saudi Risk Score
7.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-200
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