CVE-2026-54771: Langroid: handle_message() executes user-supplied tool JSON without sender verification

July 6, 2026

A Langroid application exposing a chat interface to untrusted users may allow direct tool invocation via raw JSON payloads, even when tools are registered with use=False, handle=True.

References

github.com/advisories/GHSA-gjgq-w2m6-wr5q
github.com/langroid/langroid/security/advisories/GHSA-gjgq-w2m6-wr5q
nvd.nist.gov/vuln/detail/CVE-2026-54771

Code Behaviors & Features

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