Deserialization of Untrusted Data

Overview llama-index is an Interface between LLMs and your data Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the JsonPickleSerializer process. An attacker can execute arbitrary code by submitting specially crafted serialized data that triggers the...

PYSEC-2025-249

A critical deserialization vulnerability exists in the run-llama/llamaindex library's JsonPickleSerializer component, affecting versions v0.12.27 through v0.12.40. This vulnerability allows remote code execution due to an insecure fallback to Python's pickle module. JsonPickleSerializer prioritiz...

LlamaIndex 安全漏洞

LlamaIndex is a data framework for LLM applications from the LlamaIndex open source. A security vulnerability exists in LlamaIndex versions 0.12.27 to 0.12.40, which stems from insecure deserialization of the JsonPickleSerializer component and could lead to remote code execution...