CVE-2026-73843 OpenChoreo: Unauthenticated access to data-plane operations via OpenChoreo cluster-gateway management APIs
Unauthenticated attackers can access management APIs to proxy Kubernetes data-plane operations and execute commands in workload pods.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-73843?
CVE-2026-73843 is a critical missing authorization vulnerability in openchoreo, published on 13 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
OpenChoreo is a complete, open-source developer platform for Kubernetes. Prior to 1.0.2 and 1.1.2, internal/cluster-gateway/server.go served caller-facing management APIs on the externally reachable agent listener without authentication, allowing network-reachable attackers to invoke /api/proxy/ and /api/exec/ operations, proxy the data-plane Kubernetes API, and execute commands in workload pods in multi-cluster deployments. This issue is fixed in versions 1.0.2 and 1.1.2.
Which versions are affected by CVE-2026-73843?
5 open source packages ship an affected version, including github.com/openchoreo/openchoreo.
| Package | Affected | Fixed in |
|---|---|---|
github.com/openchoreo/openchoreo Go | All versions | 1.0.2, 1.1.2 |
github.com/openchoreo/openchoreo Go | All versions | 1.0.2 |
github.com/openchoreo/openchoreo Go | All versions | 1.0.2 |
github.com/openchoreo/openchoreo Go | From 1.1.0 | 1.1.2 |
github.com/openchoreo/openchoreo Go | From 1.1.0 | 1.1.2 |
How do I fix CVE-2026-73843?
Upgrade github.com/openchoreo/openchoreo to a fixed version for your release line: 1.0.2 or 1.1.2.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-73843 being exploited?
There is no known exploitation of CVE-2026-73843 in the wild and no public exploit code.
Sources
Also known as GHSA-qh9r-j7rp-4x2m, GO-2026-6362.