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CVE-2026-59100— LobeChat 2.2.9 - Broken Object Level Authorization via Chat-Group Agent Operations

Quick assessment

Affected
lobehub lobehub
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.

LobeHub是LobeHub团队开源的一个全平台AI对话框架。 LobeHub LobeChat 2.2.9及之前版本存在授权问题漏洞，该漏洞源于对象层级授权缺陷，允许通过身份验证的攻击者通过提供任意组标识符来访问和修改其他用户的聊天组代理数据，可能导致读取代理列表、修改代理角色和排序以及从属于其他用户的聊天组中移除代理。

CVSS 5.0 · Medium EPSS 0.29% · P20

Affected Version Matrix 1

VendorProduct Version RangeStatus
lobehub lobehub ≤ 2.2.9 affected
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I. Basic Information for CVE-2026-59100

Vulnerability Information
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Vulnerability Title
LobeChat 2.2.9 - Broken Object Level Authorization via Chat-Group Agent Operations
Source: CVE Program / CVE List V5
Vulnerability Description
LobeChat through 2.2.9 contains a broken object level authorization vulnerability that allows authenticated attackers to access and modify other users' chat-group agent data by supplying arbitrary group identifiers. Attackers can invoke the getGroupAgents, updateAgentInGroup, and removeAgentsFromGroup operations without user-scoped predicates to read agent listings, modify agent roles and ordering, and remove agents from chat groups belonging to other users.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
LobeHub LobeChat 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LobeHub是LobeHub团队开源的一个全平台AI对话框架。 LobeHub LobeChat 2.2.9及之前版本存在授权问题漏洞，该漏洞源于对象层级授权缺陷，允许通过身份验证的攻击者通过提供任意组标识符来访问和修改其他用户的聊天组代理数据，可能导致读取代理列表、修改代理角色和排序以及从属于其他用户的聊天组中移除代理。
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
lobehub lobehub 0 ~ 2.2.9 -

II. Public POCs for CVE-2026-59100

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III. Intelligence Information for CVE-2026-59100

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Patches & Fixes for CVE-2026-59100 (2)

Vendor Advisories for CVE-2026-59100 (1)

Proof of Concept for CVE-2026-59100 (1)

Same Patch Batch · lobehub · 2026-07-02 · 5 CVEs total

CVE-2026-59095 7.7 HIGH LobeChat < 2.2.10-canary.18 - SSRF via importFromUrl and fetchImageFromUrl
CVE-2026-58578 6.5 MEDIUM LobeChat < 2.2.10-canary.15 - Regular Expression Denial of Service in GitHub Skill Import
CVE-2026-59098 6.5 MEDIUM LobeChat 2.2.9 - Cross-User Document Disclosure via Unscoped RAG Semantic Search
CVE-2026-58580 5.9 MEDIUM LobeChat 2.2.9 - Broken Object-Level Authorization in Message Sub-Resource Writes

IV. Related Vulnerabilities

Same product: lobehub
Same vendor: lobehub
Same weakness: CWE-639

V. Comments for CVE-2026-59100

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