CVE-2026-51882Published
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.
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-51882 · Microsoft / collected KEV context
cve-program · CVE-2026-51882
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.