PYSEC-2026-1531 Langroid has a Code Injection vulnerability in LanceDocChatAgent through vector_store

Summary LanceDocChatAgent uses pandas eval through computefromdocs: https://github.com/langroid/langroid/blob/18667ec7e971efc242505196f6518eb19a0abc1c/langroid/vectorstore/base.pyL136-L150 As a result, an attacker may be able to make the agent run malicious commands through QueryPlan.dataframecal...