Description


LobeChat through 2.2.9 contains a broken access control vulnerability in the retrieval-augmented-generation semantic search functionality that allows authenticated attackers to access other users' data by exploiting missing user-identifier predicates in the chunk model semanticSearch method. Attackers can supply arbitrary victim file or knowledge-base identifiers through the chunk retrieval and chat knowledge-base paths to retrieve text content, file names, and metadata belonging to other users.

Related CPE's


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Weaknesses



CWE-639

CVSS impact metrics


CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

6.5 · Medium

Information


Source identifier

[email protected]

Vulnerability status

Deferred

Published

2026-07-02T20:17:08.120Z

3 months ago

Last modified

2026-07-14T23:17:33.710Z

2 months ago