CVE-2026-51882
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.
- Published Oct 1, 2026
- Not yet scored
- 0.1% chance of exploitation in the next 30 days (EPSS)