# CVE-2026-73842 — openchoreo

> As of 2026-08-13, CVE-2026-73842 is a CRITICAL-severity vulnerability in openchoreo, CVSS v3.1 9, EPSS 0.1% (7.7th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-73842 as of 2026-08-13; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-08-13

## What is CVE-2026-73842?

OpenChoreo is a complete, open-source developer platform for Kubernetes. Prior to 1.0.3, 1.1.3, and 1.2.0-rc.2, internal/cluster-gateway/server.go exposed /api/proxy/, /api/exec/, and /api/wirelogs/ on an internal listener without requiring a client certificate or token, allowing any network-reachable caller to read tenant Kubernetes Secrets, mutate workloads, and execute commands across connected data planes. This issue is fixed in versions 1.0.3, 1.1.3, and 1.2.0-rc.2.

The record classifies CVE-2026-73842 under weakness classes [CWE-269](https://intel.threadlinqs.com/cwe/CWE-269), [CWE-306](https://intel.threadlinqs.com/cwe/CWE-306), [CWE-862](https://intel.threadlinqs.com/cwe/CWE-862). Its CVSS v3 base vector states that the flaw is reachable from an adjacent network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 53 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9 — CRITICAL (`CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H`)
- **EPSS (FIRST):** 0.1% probability of exploitation in the next 30 days, higher than 7.7% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.8/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-13

## Is CVE-2026-73842 being exploited?

It currently carries a trending score of 31 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [openchoreo](https://intel.threadlinqs.com/vendors/openchoreo): openchoreo

## How to fix CVE-2026-73842

No vendor patch reference has been recorded for CVE-2026-73842 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-73842

No threat campaign in the Threadlinqs corpus currently references CVE-2026-73842, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, NVD, FIRST EPSS. Last verified by Threadlinqs on 2026-08-15. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [github.com](https://github.com/openchoreo/openchoreo/security/advisories/GHSA-rh53-xvx2-j327)

**Other references**

- [github.com](https://github.com/openchoreo/openchoreo/pull/4256)
- [github.com (4258)](https://github.com/openchoreo/openchoreo/pull/4258)
- [github.com (4259)](https://github.com/openchoreo/openchoreo/pull/4259)
- [github.com (50fcae3f1753fd0ac3ae655a3fc080a761c49c04)](https://github.com/openchoreo/openchoreo/commit/50fcae3f1753fd0ac3ae655a3fc080a761c49c04)
- [github.com (93e6f10953cfc249af2222ddb6730d4b0a729129)](https://github.com/openchoreo/openchoreo/commit/93e6f10953cfc249af2222ddb6730d4b0a729129)

_Showing 6 of 10 recorded references._

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-73842
Full detection coverage and IOCs for threats exploiting CVE-2026-73842 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp