CVE-2025-27520

Published: Apr 4, 2025Modified: Jun 17, 2026

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: security-advisories@github.com (Secondary)

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.

Affected (1)

Products: Bentoml: Bentoml

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Bentoml Bentoml	From 1.3.4 to 1.4.2

Related CWEs

Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

References (3)

https://github.com/bentoml/BentoML/commit/b35f4f4fcc53a8c3fe8ed9c18a013fe0a728e194

Source: security-advisories@github.com

Patch

https://github.com/bentoml/BentoML/security/advisories/GHSA-33xw-247w-6hmc

Source: security-advisories@github.com

ExploitThird Party Advisory

https://github.com/bentoml/BentoML/security/advisories/GHSA-33xw-247w-6hmc

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

ExploitThird Party Advisory

Timeline

No history available yet.