CVE-2025-27520
A Remote Code Execution (RCE) vulnerability caused by insecure deserialization has been identified in the latest version (v1.4.2) of BentoML.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 40.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 40.62% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- bentoml/bentoml
- Source
- security-advisories@github.com
References
- https://github.com/bentoml/BentoML/commit/b35f4f4fcc53a8c3fe8ed9c18a013fe0a728e194Patch
- https://github.com/bentoml/BentoML/security/advisories/GHSA-33xw-247w-6hmcExploit, Third Party Advisory
- https://github.com/bentoml/BentoML/security/advisories/GHSA-33xw-247w-6hmcExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.