CVE-2026-35043: BentoML is a Python library for building online serving systems optimized for AI apps and model inference
37
Routine
HIGH 7.8UPGRADE
CVE-2026-35043 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 1.4.38, 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 infrastr
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.3% (top 83%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2026-04-06 |
| Last modified | 2026-10-23 |
Publisher (CNA): GitHub, Inc. · Vendor: bentoml
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
bentoml bentoml UPGRADE
Affected: < 1.4.38
Fixed in: 1.4.38
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy bentoml || rpm -q bentoml || bentoml --version
2. UPGRADE to 1.4.38 (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.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Related CVEs
- CVE-2026-35044 HIGH 8.8 UPGRADE BentoML is a Python library for building online serving systems optimized for AI apps and model inference