CVSS 4.0
2.0 lowCVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PCVE-2025-6855
Low (2.0) in chatchat-space langchain-chatchat. EPSS 0.7% chance of exploitation in the next 30 days.
A vulnerability, which was classified as critical, has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This issue affects some unknown processing of the file /v1/file. The manipulation of the argument flag leads to path traversal. The exploit has been disclosed to the public and may be used.
Severity
CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- EPSS
- 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
- CWE
- CWE-22
- Published
- Modified
- Record from
- the NVD, synced
Affected
- chatchat-space:langchain-chatchat
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-f823-phmg-x5fr | PyPI | langchain-chatchat | <=0.3.1 | no fix published |
| PYSEC-2026-1512 | PyPI | langchain-chatchat | <=0.3.1 | no fix published |