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CVE-2026-33744: BentoML is a Python library for building online serving systems optimized for AI apps and model inference

37
Routine
HIGH 7.8UPGRADE

CVE-2026-33744 is a high-severity flaw (CVSS 7.8) affecting bentoml. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.37, the `docker.system_packages` field in `bentofile.yaml` accepts arbitrary strings that are interpolated directly into Dockerfile `RUN` commands without sanitization. Since `system_packages` is semantically a list of OS package names (data), users do not expect values to be interpreted as shell commands. A malicious `bentofile

Why this priority

  • High severity
  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score7.8 (High)
Attack vectorLocal
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance0.3% (top 82%)
CISA exploited listNo
WeaknessCWE-94
Published2026-03-27
Last modified2026-10-07
Publisher (CNA): GitHub, Inc. · Vendor: bentoml

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Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

bentoml bentoml UPGRADE
Affected: < 1.4.37
Fixed in: 1.4.37
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy bentoml || rpm -q bentoml || bentoml --version
2. UPGRADE to 1.4.37 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade bentoml
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade bentoml
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33744?

bentoml: upgrade to 1.4.37. Exact commands for each OS are on this page.

Is CVE-2026-33744 being exploited?

CVE-2026-33744 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33744 affect?

CVE-2026-33744 affects bentoml. Severity is high (CVSS 7.8). BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.37, the `docker.system_packages` field in `bentofile.yaml` accepts arbitrary strings that are interpolated directly into

How urgent is CVE-2026-33744?

Priority 37/100. High severity; Public exploit reference

Software pages

Python vulnerabilities · Docker vulnerabilities

Related CVEs

References

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