CVE-2025-6853

LOW EPSS 38.0%
Published Jun 29, 20251y ago · Modified Jun 17, 20262w ago
2.1 CVSS 4.0
Low
Find Similar
Published Jun 29, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
2.1
Exploitability
—
Impact
—
Vector string
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
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
38.0% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-22 Path Traversal Resource Mgmt

Affected Products 1

VendorProductVersionRange
chatchat-spacelangchain-chatchat* ≤0.3.1

References 4

  • github.com https://github.com/chatchat-space/Langchain-Chatchat/issues/5352
    ExploitIssue Tracking
  • vuldb.com https://vuldb.com/?ctiid.314325
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.314325
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.601155
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.