Vulnerability Description
BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.38, the cloud deployment path in src/bentoml/_internal/cloud/deployment.py was not included in the fix for CVE-2026-33744. Line 1648 interpolates system_packages directly into a shell command using an f-string without any quoting. The generated script is uploaded to BentoCloud as setup.sh and executed on the cloud build infrastructure during deployment, making this a remote code execution on the CI/CD tier. This vulnerability is fixed in 1.4.38.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Bentoml | Bentoml | < 1.4.38 |
Related Weaknesses (CWE)
References
- https://github.com/bentoml/BentoML/security/advisories/GHSA-fgv4-6jr3-jgfwExploitVendor Advisory
- https://github.com/bentoml/BentoML/security/advisories/GHSA-fgv4-6jr3-jgfwExploitVendor Advisory
FAQ
What is CVE-2026-35043?
CVE-2026-35043 is a vulnerability with a CVSS score of 7.8 (HIGH). BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.38, the cloud deployment path in src/bentoml/_internal/cloud/deployment.py was n...
How severe is CVE-2026-35043?
CVE-2026-35043 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-35043?
Check the references section above for vendor advisories and patch information. Affected products include: Bentoml Bentoml.