What is CVE-2026-44346?

CVE-2026-44346 is a high-severity vulnerability in Bentoml, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-05-27.

How severe is CVE-2026-44346?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Bentoml

CVE-2026-44346

BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.39, a malicious bentofile.yaml containing a newline-injected value in envs[*].name produces unquoted RUN directives in…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.000 (14.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Bentoml — versions < 1.4.39

Weakness classification (CWE)

CWE-78 — OS Command Injection
CWE-94 — Code Injection

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-44346?: CVE-2026-44346 is a high-severity vulnerability in Bentoml, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-05-27.
How severe is CVE-2026-44346?: High severity. CVSS v3 base score is 8.8 out of 10.