Low

Langchain-Chatchat vulnerable to path traversal

  • Disclosed: 29.06.2025
  • Updated: 11.10.2026 13:18

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.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) langchain-chatchat <= 0.3.1 no fix

References

CVSS score 4.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE)
CWE-22
Platform
Python (PyPI)
Package
langchain-chatchat
Disclosed
29.06.2025
Updated
11.10.2026 13:18

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2026-1511 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-8v8h-4pjx-rg73 - CC BY 4.0

Vulnerability history: langchain-chatchat

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
6
First → latest
06.2025 05.2026
Without a fix
6
Exploited in attacks
0

Severity breakdown

  • Low 6

Disclosures per year

  1. 2025: 3
  2. 2026: 3
  1. Low · 2.6 CVE-2026-7847 <= 0.3.1.3 no fix
  2. Low · 2.6 CVE-2026-7845 <= 0.3.1.3 no fix
  3. Low · 5.5 CVE-2025-6855 <= 0.3.1 no fix
  4. Langchain-Chatchat vulnerable to path traversal this entry
    Low · 4.3 CVE-2025-6854 <= 0.3.1 no fix
  5. Low · 6.3 CVE-2025-6853 <= 0.3.1.3 no fix

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