peter bassill · operator
$ cve CVE-2025-27520 JSON

CVE-2025-27520

9.8
CRITICAL · CVSS 3.1 · EPSS 40.6% (pctl 99)

Patch early

EPSS 40.6% — above the 10% action threshold.

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.

Scoring

CVSS9.8 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS40.62% — more likely to be exploited than 99% of all CVEs
WeaknessCWE-502
On CISA KEVno
Public exploitnone known
Published2025-04-04
Last modified2026-06-17

Affected (1)

VendorProduct
bentomlbentoml

References

→ the Explorer  ·  watch your stack  ·  NVD