CVE-2025-6853

6.3 MEDIUM
Published: June 29, 2025 Modified: April 29, 2026
View on NVD

Description

A vulnerability classified as critical has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This affects the function upload_temp_docs of the file /knowledge_base/upload_temp_docs of the component Backend. The manipulation of the argument flag leads to path traversal. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/chatchat-space/Langchain-Chatchat/issues/5352
Source: cna@vuldb.com
Exploit Issue Tracking
https://vuldb.com/?ctiid.314325
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.314325
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.601155
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://github.com/chatchat-space/Langchain-Chatchat/issues/5352
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Issue Tracking

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.3 / 10.0
EPSS (Exploit Probability)
0.6%
70th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

chatchat-space