CriticalVulnerability
CVE-2025-27520: BentoML remote code execution through insecure deserialization
- Source
- NVD(opens in a new tab)
- Identifier
- CVE-2025-27520
- Published
- Record updated
- Affected
- bentoml >= 1.3.4, < 1.4.3
- Fixed in
- 1.4.3
- released March 5, 2025, 29 days before disclosure
- Known exploitation
- Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
- EPSS
- 40.6%
Summary
CVE-2025-27520 is a remote code execution flaw in BentoML, a Python library for building online serving systems for AI apps and model inference. Insecure deserialization (CWE-502) in an unsafe code segment in serde.py, present in v1.4.2, lets any unauthenticated user execute arbitrary code on the server.
Mitigation
This vulnerability is fixed in 1.4.3.
Affected packages in the Exposure Registry
Matched by package name and ecosystem. Each entry shows whether the package delegates to a language model and how many tracked packages depend on it.
- bentomlPyPINo LLM dependency detected · 1 tracked dependent
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