9.8

CVE-2025-6853

Exploit

chatchat-space Langchain-Chatchat Backend upload_temp_docs path traversal

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Chatchat-spaceLangchain-chatchat Version <= 0.3.1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.48% 0.377
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cna@vuldb.com 2.1 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
cna@vuldb.com 6.3 2.8 3.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
cna@vuldb.com 6.5 8 6.4
AV:N/AC:L/Au:S/C:P/I:P/A:P
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

https://vuldb.com/?id.314325
Third Party Advisory
VDB Entry
https://vuldb.com/?ctiid.314325
VDB Entry
Permissions Required
https://vuldb.com/?submit.601155
Third Party Advisory
VDB Entry
https://github.com/chatchat-space/Langchain-Chatchat/issues/5352
Exploit
Issue Tracking