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Vulnerabilities

CVE-2026-7844

Medium
CWE-287 — Weakness Type
Published: May 5, 2026  ·  Modified: May 8, 2026  ·  Source: NVD
CVSS v3
6.3
🔗 NVD Official
📄 Description (English)

A vulnerability was detected in chatchat-space Langchain-Chatchat up to 0.3.1.3. This vulnerability affects the function files/list_files/retrieve_file/retrieve_file_content/delete_file of the file libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the component Compatible File Service. The manipulation results in missing authentication. The attacker must have access to the local network to execute the attack. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

🤖 AI Executive Summary

CVE-2026-7844 is a missing authentication vulnerability in Langchain-Chatchat up to version 0.3.1.3 affecting file operations in the OpenAI routes component. An attacker with local network access can manipulate file operations without proper authentication.

📄 Description (Arabic)

يؤثر هذا الضعف على مكون خدمة الملفات المتوافق في Langchain-Chatchat حيث تفتقد وظائف إدارة الملفات (القائمة والاسترجاع والحذف) إلى آليات المصادقة الصحيحة. يمكن لأي مهاجم لديه وصول إلى الشبكة المحلية استغلال هذا الضعف للوصول إلى الملفات أو حذفها دون تفويض.

🤖 ملخص تنفيذي (AI)

This vulnerability allows unauthenticated access to file operations in Langchain-Chatchat versions up to 0.3.1.3, requiring only local network access. The affected functions include file listing, retrieval, and deletion without proper authentication checks.

🤖 AI Intelligence Analysis Analyzed: May 16, 2026 20:46
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking government healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.0
/ 10.0
🔧 Remediation Steps (English)
Upgrade Langchain-Chatchat to version 0.3.1.4 or later immediately. Implement network segmentation to restrict local network access to the API server. Add authentication middleware to all file operation endpoints. Review and audit access logs for unauthorized file operations.
🔧 خطوات المعالجة (العربية)
قم بترقية Langchain-Chatchat إلى الإصدار 0.3.1.4 أو أحدث فوراً. طبق تقسيم الشبكة لتقييد الوصول إلى خادم API. أضف طبقة مصادقة لجميع نقاط نهاية عمليات الملفات. راجع سجلات الوصول للعمليات غير المصرح بها.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1.1 5.1.2 5.2.1
🔵 SAMA CSF
AC-2 AC-3 AC-4
🟡 ISO 27001:2022
A.9.1.1 A.9.2.1 A.9.4.1
📊 CVSS Score
6.3
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack VectorA — Adjacent
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
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 2026-05-05
Source Feed nvd
🇸🇦 Saudi Risk Score
6.0
/ 10.0 — Saudi Risk
Priority: MEDIUM
🏷️ Tags
CWE-287
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