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CVE-2025-6853

nvd nist
Published: Jun 29, 2025Modified: Jun 17, 2026

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2.1
Vector
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
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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:XShow less
Source: CNA (Secondary)

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.

Affected (1)

Chatchat Space
1 product
Langchain Chatchat
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Langchain Chatchat
Up to 0.3.1

Related CWEs

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.

References (5)

Source: cna@vuldb.com
ExploitIssue Tracking
Source: cna@vuldb.com
Permissions RequiredVDB Entry
Source: cna@vuldb.com
Third Party AdvisoryVDB Entry
Source: cna@vuldb.com
Third Party AdvisoryVDB Entry
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
ExploitIssue Tracking

Timeline

No history available yet.