Path Traversal in Chatchat-Space Langchain-Chatchat
CVE-2025-6854
A vulnerability classified as problematic was found in chatchat-space Langchain-Chatchat up to 0.3.1. This vulnerability affects unknown code of the file /v1/files?purpose=assistants. The manipulation leads to path traversal. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (43.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Chatchat-Space Langchain-Chatchat — versions 0.3.0, 0.3.1
Weakness classification (CWE)
References
- vuldb.com/ (VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/chatchat-space/Langchain-Chatchat/issues/5353 (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-6854?
- CVE-2025-6854 is a medium-severity vulnerability in Chatchat-Space Langchain-Chatchat, classified under Path Traversal. CVSS score: 4.3/10. Published 2025-06-29.
- How severe is CVE-2025-6854?
- Medium severity. CVSS v3 base score is 4.3 out of 10.