CVE-2026-51882

UNKNOWN View on NVD ↗

Description

The OpenAI-compatible file upload endpoint `/v1/files` in Langchain-Chatchat 0.3.0 is vulnerable to path traversal. An attacker can write files to arbitrary locations outside the `openai_files` directory by crafting malicious filenames.

References

https://gist.github.com/Ro1ME/f80ac458836b59adb9c6ceff3993f7f3
https://github.com/chatchat-space/Langchain-Chatchat/issues/5468

Published: Oct 01, 2026 22:17 UTC Modified: Oct 01, 2026 22:17 UTC