What is CVE-2026-34940?

CVE-2026-34940 is a high-severity vulnerability in Kubeai-project Kubeai, classified under OS Command Injection. CVSS score: 8.7/10. Published 2026-04-06.

How severe is CVE-2026-34940?

High severity. CVSS v3 base score is 8.7 out of 10.

Is CVE-2026-34940 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Kubeai-project Kubeai

CVE-2026-34940

KubeAI is an AI inference operator for kubernetes. Prior to 0.23.2, the ollamaStartupProbeScript() function in internal/modelcontroller/engine_ollama.go constructs a shell command string using fmt.Sprintf with unsanitized model URL compone…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.000 (3.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N.

Affected products

Kubeai-project Kubeai — versions < 0.23.2

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

romain-deperne/CVE-2026-34940

References

https://github.com/kubeai-project/kubeai/security/advisories/GHSA-324q-cwx9-7crr (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-34940?: CVE-2026-34940 is a high-severity vulnerability in Kubeai-project Kubeai, classified under OS Command Injection. CVSS score: 8.7/10. Published 2026-04-06.
How severe is CVE-2026-34940?: High severity. CVSS v3 base score is 8.7 out of 10.
Is CVE-2026-34940 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.