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Vulnerabilities

CVE-2026-6729

Medium
CWE-287 — Weakness Type
Published: Apr 20, 2026  ·  Modified: Apr 21, 2026  ·  Source: NVD
CVSS v3
6.3
🔗 NVD Official
📄 Description (English)

HKUDS OpenHarness prior to PR #159 remediation contains a session key derivation vulnerability that allows authenticated participants in shared chats or threads to hijack other users' sessions by exploiting a shared ohmo session key that lacks sender identity verification. Attackers can reuse another user's conversation state and replace or interrupt their active tasks by colliding into the same session boundary through the shared chat or thread scope.

🤖 AI Executive Summary

HKUDS OpenHarness versions before PR #159 contain a session key derivation vulnerability allowing authenticated users to hijack other users' sessions in shared chats by exploiting missing sender identity verification. Attackers can reuse conversation states and interrupt active tasks through session boundary collisions.

📄 Description (Arabic)

تحتوي نسخ HKUDS OpenHarness السابقة لـ PR #159 على ثغرة في آلية اشتقاق مفتاح الجلسة حيث يفتقد التحقق من هوية المرسل. يمكن للمستخدمين المصرح لهم الذين لديهم وصول إلى الدردشات أو المواضيع المشتركة استغلال هذه الثغرة لاختطاف جلسات المستخدمين الآخرين. يسمح هذا الاستغلال بإعادة استخدام حالة المحادثة وتعطيل أو استبدال المهام النشطة للمستخدمين الآخرين.

🤖 ملخص تنفيذي (AI)

HKUDS OpenHarness الإصدارات السابقة لـ PR #159 تحتوي على ثغرة في اشتقاق مفتاح الجلسة تسمح للمستخدمين المصرح لهم باختطاف جلسات المستخدمين الآخرين في الدردشات المشتركة. يمكن للمهاجمين إعادة استخدام حالات المحادثة وقطع المهام النشطة من خلال تصادمات حدود الجلسة.

🤖 AI Intelligence Analysis Analyzed: May 18, 2026 20:08
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: medium
🏢 Affected Saudi Sectors
telecom government
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.0
/ 10.0
🔧 Remediation Steps (English)
Upgrade HKUDS OpenHarness to version incorporating PR #159 or later. Implement sender identity verification in session key derivation. Add cryptographic binding between session keys and user identities. Conduct security audit of session management mechanisms. Monitor for suspicious session activity and implement rate limiting on session operations.
🔧 خطوات المعالجة (العربية)
قم بترقية HKUDS OpenHarness إلى الإصدار الذي يتضمن PR #159 أو أحدث. تنفيذ التحقق من هوية المرسل في اشتقاق مفتاح الجلسة. إضافة ربط تشفيري بين مفاتيح الجلسة وهويات المستخدمين. إجراء تدقيق أمني لآليات إدارة الجلسة. مراقبة نشاط الجلسة المريب وتنفيذ تحديد معدل على عمليات الجلسة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1.1 5.1.2 5.2.1
🔵 SAMA CSF
AC-2 AC-3 IA-2
🟡 ISO 27001:2022
A.9.2.1 A.9.2.5 A.9.4.3
📊 CVSS Score
6.3
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityL — Low / Local
IntegrityL — Low / Local
AvailabilityL — Low / Local
📋 Quick Facts
Severity Medium
CVSS Score6.3
CWECWE-287
EPSS0.04%
Exploit No
Patch ✗ No
Published 2026-04-20
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
6.0
/ 10.0 — Saudi Risk
Priority: MEDIUM
🏷️ Tags
CWE-287
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