Critical severity9.8NVD Advisory· Published Apr 4, 2025· Updated Jun 17, 2026
CVE-2025-27520
CVE-2025-27520
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
bentomlPyPI | >= 1.3.4, < 1.4.3 | 1.4.3 |
Affected products
3Patches
Vulnerability mechanics
References
4- github.com/bentoml/BentoML/commit/b35f4f4fcc53a8c3fe8ed9c18a013fe0a728e194nvdPatchWEB
- github.com/bentoml/BentoML/security/advisories/GHSA-33xw-247w-6hmcnvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-33xw-247w-6hmcghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-27520ghsaADVISORY
News mentions
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