CVE-2025-27520
high-risk
Published 2025-04-04
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.
Do I need to act?
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87.3% chance of exploitation in next 30 days
EPSS score — higher than 13% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
57
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
20/34 · Moderate
Exposure
5/34 · Minimal