CVE-2026-15035: A vulnerability was found in bentoml OpenLLM 0.6.30

This month

MEDIUM 5.3DOWNGRADE

CVE-2026-15035 is a medium-severity flaw (CVSS 5.3) affecting openllm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in bentoml OpenLLM 0.6.30. This affects the function async_run_command of the file src/openllm/common.py of the component Model Repository Directory Name Handler. Performing a manipulation of the argument cmd results in command injection. Attacking locally is a requirement. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	2.2% (top 17%)
CISA exploited list	No
Weakness	CWE-74, CWE-77, CWE-78
Published	2026-07-08
Last modified	2026-10-25

Publisher (CNA): VulDB · Vendor: bentoml

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-08 14:16 UTCPublished CVE record published
2026-10-25 20:10 UTCUpdated Record last modified

bentoml openllm DOWNGRADE

Affected: 0.6.30

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.6.30

1. Check installed version

apt-cache policy openllm || rpm -q openllm || openllm --version

2. No fixed release: DOWNGRADE to a release before 0.6.30 (Debian / Ubuntu)

apt-cache madison openllm sudo apt install openllm=<VERSION_BEFORE_0.6.30> sudo apt-mark hold openllm

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list openllm sudo dnf downgrade openllm-<VERSION_BEFORE_0.6.30> sudo dnf versionlock add openllm

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-15035?

openllm: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-15035 being exploited?

CVE-2026-15035 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-2026-15035 affect?

CVE-2026-15035 affects openllm. Severity is medium (CVSS 5.3). A vulnerability was found in bentoml OpenLLM 0.6.30. This affects the function async_run_command of the file src/openllm/common.py of the component Model Repository Directory Name Handler. Performing a manipulation of the argument cmd resul

How urgent is CVE-2026-15035?

Priority 44/100. Public exploit reference

References

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