📧 info@ciso.sa | 📱 +966550939344 | Riyadh, Kingdom of Saudi Arabia
🔧 Scheduled Maintenance — Saturday 2:00-4:00 AM AST. Some features may be temporarily unavailable.    ●   
💎
Pro Plan 50% Off Unlock all AI features, unlimited reports, and priority support. Upgrade
Search Center
ESC to close
Global general Technology and Artificial Intelligence MEDIUM 1h Global general Technology and Artificial Intelligence HIGH 2h Global vulnerability Higher Education CRITICAL 11h Global data_breach Government HIGH 12h Global supply_chain Software Development and Open Source Communities CRITICAL 12h Global malware Software Development CRITICAL 12h Global phishing Multiple Sectors HIGH 13h Global vulnerability Web Applications CRITICAL 13h Global apt Critical Infrastructure CRITICAL 13h Global ransomware Multiple sectors CRITICAL 14h Global general Technology and Artificial Intelligence MEDIUM 1h Global general Technology and Artificial Intelligence HIGH 2h Global vulnerability Higher Education CRITICAL 11h Global data_breach Government HIGH 12h Global supply_chain Software Development and Open Source Communities CRITICAL 12h Global malware Software Development CRITICAL 12h Global phishing Multiple Sectors HIGH 13h Global vulnerability Web Applications CRITICAL 13h Global apt Critical Infrastructure CRITICAL 13h Global ransomware Multiple sectors CRITICAL 14h Global general Technology and Artificial Intelligence MEDIUM 1h Global general Technology and Artificial Intelligence HIGH 2h Global vulnerability Higher Education CRITICAL 11h Global data_breach Government HIGH 12h Global supply_chain Software Development and Open Source Communities CRITICAL 12h Global malware Software Development CRITICAL 12h Global phishing Multiple Sectors HIGH 13h Global vulnerability Web Applications CRITICAL 13h Global apt Critical Infrastructure CRITICAL 13h Global ransomware Multiple sectors CRITICAL 14h
Vulnerabilities

CVE-2026-28432

High
Misskey is an open source, federated social media platform. All Misskey servers prior to 2026.3.1 contain a vulnerability that allows bypassing HTTP signature verification. Although this is a vulnerab
CWE-347 — Weakness Type
Published: Mar 10, 2026  ·  Modified: Mar 17, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

Misskey is an open source, federated social media platform. All Misskey servers prior to 2026.3.1 contain a vulnerability that allows bypassing HTTP signature verification. Although this is a vulnerability related to federation, it affects all servers regardless of whether federation is enabled or disabled. This vulnerability is fixed in 2026.3.1.

🤖 AI Executive Summary

Misskey servers prior to version 2026.3.1 contain a critical HTTP signature verification bypass vulnerability affecting all instances regardless of federation status. This allows attackers to forge authenticated requests and potentially compromise server integrity and user data.

📄 Description (Arabic)

تؤثر هذه الثغرة على جميع خوادم Misskey بغض النظر عن تفعيل الاتحاد، مما يسمح بتجاوز آليات التحقق من التوقيع الرقمي للطلبات. يمكن للمهاجمين استخدام هذا لتزوير الطلبات والتأثير على سلامة البيانات والخدمة.

🤖 ملخص تنفيذي (AI)

خوادم Misskey السابقة للإصدار 2026.3.1 تحتوي على ثغرة حرجة في التحقق من توقيع HTTP تؤثر على جميع الخوادم بغض النظر عن حالة الاتحاد. يسمح هذا للمهاجمين بتزوير الطلبات المصرح بها والتأثير على سلامة الخادم وبيانات المستخدم.

🤖 AI Intelligence Analysis Analyzed: May 3, 2026 03:01
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: medium
🏢 Affected Saudi Sectors
government telecom
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.0
/ 10.0
🔧 Remediation Steps (English)
Immediately upgrade all Misskey instances to version 2026.3.1 or later. Verify HTTP signature verification is properly enforced in all federation communications. Implement network monitoring to detect forged authenticated requests. Review access logs for suspicious activity since the vulnerability disclosure date.
🔧 خطوات المعالجة (العربية)
قم بترقية جميع خوادم Misskey فوراً إلى الإصدار 2026.3.1 أو أحدث. تحقق من فرض التحقق من توقيع HTTP بشكل صحيح في جميع اتصالات الاتحاد. طبق مراقبة الشبكة للكشف عن الطلبات المصرح بها المزيفة. راجع سجلات الوصول للنشاط المريب منذ تاريخ الكشف عن الثغرة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1.1 5.1.2
🔵 SAMA CSF
CC-6.1 CC-6.2
🟡 ISO 27001:2022
A.14.2.1 A.14.2.5
📦 Affected Products / CPE 1 entries
misskey:misskey
📊 CVSS Score
7.5
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityH — High
AvailabilityN — None / Network
📋 Quick Facts
Severity High
CVSS Score7.5
CWECWE-347
Exploit No
Patch ✓ Yes
Published 2026-03-10
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
8.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-347
Share this CVE

💬 Comments

0
Loading comments
📣 Found this valuable?
Share it with your cybersecurity network
in LinkedIn 𝕏 X / Twitter 💬 WhatsApp ✈ Telegram
🍪 Privacy Preferences
CISO Consulting — Compliant with Saudi Personal Data Protection Law (PDPL)
We use cookies and similar technologies to provide the best experience on our platform. You can choose which types you accept.
🔒
Essential Always On
Required for the website to function properly. Cannot be disabled.
📋 Sessions, CSRF tokens, authentication, language preferences
📊
Analytics
Help us understand how visitors use the site and improve performance.
📋 Page views, session duration, traffic sources, performance metrics
⚙️
Functional
Enable enhanced features like content personalization and preferences.
📋 Dark/light theme, font size, custom dashboards, saved filters
📣
Marketing
Used to deliver content and ads relevant to your interests.
📋 Campaign tracking, retargeting, social media analytics
Privacy Policy →
CISO AI Assistant
Ask anything · Documents · Support
🔐

Introduce Yourself

Enter your details to access the full assistant

Your info is private and never shared
💬
CyberAssist
Online · responds in seconds
5 / 5
🔐 Verify Your Identity

Enter your email to receive a verification code before submitting a support request.

Enter to send · / for commands 0 / 2000
CISO AI · Powered by Anthropic Claude
✦ Quick Survey Help Us Improve CISO Consulting Your feedback shapes the future of our platform — takes less than 2 minutes.
⚠ Please answer this question to continue

How would you rate your overall experience with our platform?

Rate from 1 (poor) to 5 (excellent)

🎉
Thank you!
Your response has been recorded.