CVE-2025-27520 Information

Description

BentoML is a Python library for building online serving systems optimized for AI apps and model inference. A Remote Code Execution (RCE) vulnerability caused by insecure deserialization has been identified in the latest version (v1.4.2) of BentoML. It allows any unauthenticated user to execute arbitrary code on the server. It exists an unsafe code segment in serde.py. This vulnerability is fixed in 1.4.3.

Reference

https://github.com/bentoml/BentoML/commit/b35f4f4fcc53a8c3fe8ed9c18a013fe0a728e194 https://github.com/bentoml/BentoML/security/advisories/GHSA-33xw-247w-6hmc https://github.com/bentoml/BentoML/security/advisories/GHSA-33xw-247w-6hmc