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Global vulnerability Government/Federal Agencies HIGH 49m Global malware Enterprise/Multiple Sectors CRITICAL 51m Global data_breach E-commerce and Retail CRITICAL 58m Global vulnerability Government and Public Administration CRITICAL 1h Global vulnerability Technology/Software Development CRITICAL 1h Global general Industrial Control Systems/Manufacturing HIGH 2h Global data_breach Social Media and Virtual Reality Platforms HIGH 2h Global vulnerability Enterprise Security / All Sectors HIGH 2h Global apt Government and Defense CRITICAL 2h Global general Technology / Consumer Protection MEDIUM 2h Global vulnerability Government/Federal Agencies HIGH 49m Global malware Enterprise/Multiple Sectors CRITICAL 51m Global data_breach E-commerce and Retail CRITICAL 58m Global vulnerability Government and Public Administration CRITICAL 1h Global vulnerability Technology/Software Development CRITICAL 1h Global general Industrial Control Systems/Manufacturing HIGH 2h Global data_breach Social Media and Virtual Reality Platforms HIGH 2h Global vulnerability Enterprise Security / All Sectors HIGH 2h Global apt Government and Defense CRITICAL 2h Global general Technology / Consumer Protection MEDIUM 2h Global vulnerability Government/Federal Agencies HIGH 49m Global malware Enterprise/Multiple Sectors CRITICAL 51m Global data_breach E-commerce and Retail CRITICAL 58m Global vulnerability Government and Public Administration CRITICAL 1h Global vulnerability Technology/Software Development CRITICAL 1h Global general Industrial Control Systems/Manufacturing HIGH 2h Global data_breach Social Media and Virtual Reality Platforms HIGH 2h Global vulnerability Enterprise Security / All Sectors HIGH 2h Global apt Government and Defense CRITICAL 2h Global general Technology / Consumer Protection MEDIUM 2h
Vulnerabilities

CVE-2026-45243

Medium ⚡ Exploit Available
CWE-862 — Weakness Type
Published: May 18, 2026  ·  Modified: May 21, 2026  ·  Source: NVD
CVSS v3
6.1
🔗 NVD Official
📄 Description (English)

Summarize prior to 0.15.1 contains a missing authorization vulnerability in the content script window.postMessage bridge that allows malicious pages to perform unauthorized operations on automation artifacts. Attackers can simulate runtime messages with spoofed sender identifiers to list, read, create, overwrite, or delete automation artifacts scoped to the affected tab without proper authorization checks.

🤖 AI Executive Summary

CVE-2026-45243 is a missing authorization vulnerability in Summarize prior to 0.15.1 that allows malicious web pages to perform unauthorized operations on automation artifacts through a compromised window.postMessage bridge. Attackers can spoof sender identities to list, read, create, overwrite, or delete automation artifacts without proper authorization checks.

📄 Description (Arabic)

يحتوي Summarize قبل الإصدار 0.15.1 على ثغرة نقص التفويض في جسر window.postMessage الذي يسمح للصفحات الضارة بتنفيذ عمليات غير مصرح بها على القطع الأثرية للأتمتة. يمكن للمهاجمين محاكاة رسائل وقت التشغيل برموز مرسل مزيفة لإدراج وقراءة وإنشاء وحذف القطع الأثرية للأتمتة دون فحوصات التفويض المناسبة.

🤖 ملخص تنفيذي (AI)

This vulnerability affects Summarize versions before 0.15.1 and involves missing authorization controls in the content script messaging system. Malicious actors can impersonate legitimate senders to manipulate automation artifacts, potentially compromising user data and automation workflows.

🤖 AI Intelligence Analysis Analyzed: May 23, 2026 05:16
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: medium
🏢 Affected Saudi Sectors
government banking telecom
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.0
/ 10.0
🔧 Remediation Steps (English)
Update Summarize to version 0.15.1 or later immediately. Implement strict sender validation and authorization checks in the window.postMessage bridge. Verify message origins using proper cross-origin policies and implement cryptographic signing for sensitive messages.
🔧 خطوات المعالجة (العربية)
قم بتحديث Summarize إلى الإصدار 0.15.1 أو أحدث على الفور. طبق التحقق الصارم من المرسل والتحقق من التفويض في جسر window.postMessage. تحقق من أصول الرسائل باستخدام سياسات المصدر المتقاطع المناسبة وطبق التوقيع التشفيري للرسائل الحساسة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1.1 5.1.2
🔵 SAMA CSF
AC-3 AC-4
🟡 ISO 27001:2022
A.9.2.1 A.9.2.5
📦 Affected Products / CPE 1 entries
steipete:summarize
📊 CVSS Score
6.1
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionR — Required
ScopeC — Changed
ConfidentialityL — Low / Local
IntegrityL — Low / Local
AvailabilityN — None / Network
📋 Quick Facts
Severity Medium
CVSS Score6.1
CWECWE-862
EPSS0.03%
Exploit ✓ Yes
Patch ✗ No
Published 2026-05-18
Source Feed nvd
🇸🇦 Saudi Risk Score
6.0
/ 10.0 — Saudi Risk
Priority: MEDIUM
🏷️ Tags
CWE-862
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