# 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.

- **Severity:** Critical 9.6 (`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 13 Aug 2026
- **Updated:** 14 Aug 2026
- **Also known as:** GHSA-qh9r-j7rp-4x2m, GO-2026-6362

## 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.

Weakness: CWE-862 (Missing Authorization), CWE-668 (Exposure of Resource to Wrong Sphere), CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2026-73843?

5 open source packages ship an affected version, including github.com/openchoreo/openchoreo.


| Package | Ecosystem | 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.

## Is CVE-2026-73843 being exploited?

There is no known exploitation of CVE-2026-73843 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-73843 and fix it if it is affected.

What it is: 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.
Exploitation: There is no known exploitation of CVE-2026-73843 in the wild and no public exploit code.

Affected packages and fixed versions:
- github.com/openchoreo/openchoreo (Go): affected all versions; fixed in 1.0.2, 1.1.2
- github.com/openchoreo/openchoreo (Go): affected all versions; fixed in 1.0.2
- github.com/openchoreo/openchoreo (Go): affected all versions; fixed in 1.0.2
- github.com/openchoreo/openchoreo (Go): affected from 1.1.0; fixed in 1.1.2
- github.com/openchoreo/openchoreo (Go): affected from 1.1.0; fixed in 1.1.2

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-73843/ (Markdown: https://insights.sbomify.com/CVE-2026-73843/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-73843
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-73843
- OSV: https://osv.dev/vulnerability/CVE-2026-73843

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-73843/
Summaries are generated and may contain mistakes; the official description above is the record.