Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Bentoml | Bentoml | >= 1.3.4, <= 1.4.2 |
Related Weaknesses (CWE)
References
- https://github.com/bentoml/BentoML/commit/b35f4f4fcc53a8c3fe8ed9c18a013fe0a728e1Patch
- https://github.com/bentoml/BentoML/security/advisories/GHSA-33xw-247w-6hmcExploitThird Party Advisory
- https://github.com/bentoml/BentoML/security/advisories/GHSA-33xw-247w-6hmcExploitThird Party Advisory
FAQ
What is CVE-2025-27520?
CVE-2025-27520 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ident...
How severe is CVE-2025-27520?
CVE-2025-27520 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2025-27520?
Check the references section above for vendor advisories and patch information. Affected products include: Bentoml Bentoml.