CVE-2025-27520
BentoML Allows Remote Code Execution (RCE) via Insecure Deserialization
CRITICAL 9.8EPSS 40.6%
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.
- Affected
- bentoml · BentoML
- CVSS v3.1 GITHUB
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 40.62% chance of exploitation in the next 30 days, 99th percentile
- Published
- 2025-04-04
Proof-of-concept exploits (4)
- bentoml/BentoML/security/advisories/GHSA-33xw-247w-6hmc
- advisories/GHSA-33xw-247w-6hmc
- Evillm/CVE-2025-27520-PoC0★ · 2026-02-04
- electricsheep08/CVE-2025-275200★ · 2026-07-24