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Global insider Education HIGH 59m Global supply_chain Software Development and Technology HIGH 5h Global apt Government/Critical Infrastructure CRITICAL 7h Global vulnerability Enterprise Software / Data Analytics CRITICAL 8h Global vulnerability Artificial Intelligence and Technology HIGH 11h Global general Technology and Artificial Intelligence MEDIUM 15h Global general Technology and Artificial Intelligence HIGH 16h Global vulnerability Higher Education CRITICAL 1d Global data_breach Government HIGH 1d Global supply_chain Software Development and Open Source Communities CRITICAL 1d Global insider Education HIGH 59m Global supply_chain Software Development and Technology HIGH 5h Global apt Government/Critical Infrastructure CRITICAL 7h Global vulnerability Enterprise Software / Data Analytics CRITICAL 8h Global vulnerability Artificial Intelligence and Technology HIGH 11h Global general Technology and Artificial Intelligence MEDIUM 15h Global general Technology and Artificial Intelligence HIGH 16h Global vulnerability Higher Education CRITICAL 1d Global data_breach Government HIGH 1d Global supply_chain Software Development and Open Source Communities CRITICAL 1d Global insider Education HIGH 59m Global supply_chain Software Development and Technology HIGH 5h Global apt Government/Critical Infrastructure CRITICAL 7h Global vulnerability Enterprise Software / Data Analytics CRITICAL 8h Global vulnerability Artificial Intelligence and Technology HIGH 11h Global general Technology and Artificial Intelligence MEDIUM 15h Global general Technology and Artificial Intelligence HIGH 16h Global vulnerability Higher Education CRITICAL 1d Global data_breach Government HIGH 1d Global supply_chain Software Development and Open Source Communities CRITICAL 1d
Vulnerabilities

CVE-2026-27150

Low
Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, missing `validate_before_create` authorization in Data Explorer's `QueryGroupBookmarkable` allows
CWE-862 — Weakness Type
Published: Feb 26, 2026  ·  Modified: Mar 5, 2026  ·  Source: NVD
CVSS v3
3.8
🔗 NVD Official
📄 Description (English)

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, missing `validate_before_create` authorization in Data Explorer's `QueryGroupBookmarkable` allows any logged-in user to create bookmarks for query groups they don't have access to, enabling metadata disclosure via bookmark reminder notifications. Versions 2025.12.2, 2026.1.1, and 2026.2.0 fix this issue and also make sure `validate_before_create` throws NotImplementedError in BaseBookmarkable if not implemented, to prevent similar issues in the future. No known workarounds are available.

🤖 AI Executive Summary

Discourse Data Explorer lacks authorization validation in QueryGroupBookmarkable, allowing logged-in users to create bookmarks for restricted query groups and access metadata through reminder notifications. This vulnerability affects versions prior to 2025.12.2, 2026.1.1, and 2026.2.0.

📄 Description (Arabic)

يسمح الضعف في Discourse للمستخدمين المسجلين بإنشاء علامات مرجعية لمجموعات الاستعلام التي لا يملكون صلاحيات الوصول إليها. يمكن استخدام إشعارات العلامات المرجعية للكشف عن البيانات الوصفية الحساسة. تم إصلاح المشكلة في الإصدارات الأخيرة من خلال فرض التحقق من الصلاحيات.

🤖 ملخص تنفيذي (AI)

منصة Discourse تفتقد التحقق من الصلاحيات في QueryGroupBookmarkable، مما يسمح للمستخدمين المسجلين بإنشاء علامات مرجعية لمجموعات الاستعلام المقيدة والوصول إلى البيانات الوصفية. يؤثر هذا الضعف على الإصدارات السابقة للإصدارات 2025.12.2 و 2026.1.1 و 2026.2.0.

🤖 AI Intelligence Analysis Analyzed: May 30, 2026 08:01
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: medium
🏢 Affected Saudi Sectors
government telecom
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
5.0
/ 10.0
🔧 Remediation Steps (English)
Upgrade Discourse to version 2025.12.2, 2026.1.1, or 2026.2.0 or later immediately. Implement proper authorization validation in the validate_before_create method for all bookmarkable resources. Review and audit existing bookmarks created by users to identify unauthorized access patterns.
🔧 خطوات المعالجة (العربية)
قم بترقية Discourse إلى الإصدار 2025.12.2 أو 2026.1.1 أو 2026.2.0 أو أحدث على الفور. تطبيق التحقق الصحيح من الصلاحيات في طريقة validate_before_create لجميع الموارد القابلة للعلامات المرجعية. مراجعة وتدقيق العلامات المرجعية الموجودة التي أنشأها المستخدمون لتحديد أنماط الوصول غير المصرح به.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1.2 5.2.1
🔵 SAMA CSF
AC-3 AC-4
🟡 ISO 27001:2022
A.9.1.1 A.9.2.1 A.9.4.1
📦 Affected Products / CPE 3 entries
discourse:discourse
discourse:discourse
discourse:discourse:2026.2.0
📊 CVSS Score
3.8
/ 10.0 — Low
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredH — High
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityL — Low / Local
IntegrityL — Low / Local
AvailabilityN — None / Network
📋 Quick Facts
Severity Low
CVSS Score3.8
CWECWE-862
Exploit No
Patch ✗ No
Published 2026-02-26
Source Feed nvd
Views 5
🇸🇦 Saudi Risk Score
5.0
/ 10.0 — Saudi Risk
Priority: MEDIUM
🏷️ Tags
CWE-862
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