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CVE-2026-0562— Insecure Direct Object Reference (IDOR) in parisneo/lollms

Quick assessment

Affected
parisneo parisneo/lollms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LoLLMs是Saifeddine ALOUI个人开发者的一个大型语言与多模态系统。 lollms 2.2.0及之前版本存在安全漏洞，该漏洞源于respond_request函数未实施适当的授权检查，可能导致不安全的直接对象引用攻击。

AI Predicted 6.5 Difficulty: Easy EPSS 0.27% · P17

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token
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I. Basic Information for CVE-2026-0562

Vulnerability Information
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Vulnerability Title
Insecure Direct Object Reference (IDOR) in parisneo/lollms
Source: CVE Program / CVE List V5
Vulnerability Description
A critical security vulnerability in parisneo/lollms versions up to 2.2.0 allows any authenticated user to accept or reject friend requests belonging to other users. The `respond_request()` function in `backend/routers/friends.py` does not implement proper authorization checks, enabling Insecure Direct Object Reference (IDOR) attacks. Specifically, the `/api/friends/requests/{friendship_id}` endpoint fails to verify whether the authenticated user is part of the friendship or the intended recipient of the request. This vulnerability can lead to unauthorized access, privacy violations, and potential social engineering attacks. The issue has been addressed in version 2.2.0.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
LoLLMs 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LoLLMs是Saifeddine ALOUI个人开发者的一个大型语言与多模态系统。 lollms 2.2.0及之前版本存在安全漏洞，该漏洞源于respond_request函数未实施适当的授权检查，可能导致不安全的直接对象引用攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
parisneo parisneo/lollms unspecified ~ 2.2.0 -

II. Public POCs for CVE-2026-0562

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III. Intelligence Information for CVE-2026-0562

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Patches & Fixes for CVE-2026-0562 (1)

Vendor Advisories for CVE-2026-0562 (1)

Same Patch Batch · parisneo · 2026-03-29 · 3 CVEs total

CVE-2026-0558 Unauthenticated File Upload in parisneo/lollms
CVE-2026-0560 Server-Side Request Forgery (SSRF) in parisneo/lollms

IV. Related Vulnerabilities

Same product: parisneo/lollms
Same vendor: parisneo
Same weakness: CWE-863

V. Comments for CVE-2026-0562

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