RCE in Openchoreo

CVE-2026-73667

OpenChoreo is a complete, open-source developer platform for Kubernetes. Prior to 1.0.4, 1.1.4, and 1.2.0-rc.2, OpenChoreo Workflow Plane templates under samples/getting-started/workflow-templates/ interpolated developer-controlled workflow parameters into shell program text executed through sh -c instead of passing the values through container.env, allowing arbitrary commands to run in workflow pods while affected privileged Podman templates lacked hostUsers: false. This issue is fixed in versions 1.0.4, 1.1.4, and 1.2.0-rc.2.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.009 (56.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-73667: held from 0.006 to 0.009.

EPSS over last 30 days · oldest: 0.006 · newest: 0.009 · change: +0.002

Affected products

  • Openchoreo — versions < 1.0.4, >= 1.1.0, < 1.1.4, >= 1.2.0-rc.1, < 1.2.0-rc.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-73667?
CVE-2026-73667 is a high-severity vulnerability in Openchoreo, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-08-13.
How severe is CVE-2026-73667?
High severity. CVSS v3 base score is 8.8 out of 10.