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VulnerabilityCVE-2026-73842Published 2026-08-13

CVE-2026-73842 — openchoreo

critical

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.

CVSS v3.1
9/10Critical
EPSS
0.1%Higher than 7.7% of scored CVEs
CISA KEV
NoNot in the KEV catalog
Tracked threats
0None linked yet
Priority
4.8/10Threadlinqs triage score
Published
CVSS v3.1 9 (CRITICAL) · EPSS 0.1% (higher than 7.7% of all scored CVEs) · Priority 4.8/10 · Published 2026-08-13

Last updated:

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, CWE-306, 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

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 . This product uses the NVD API but is not endorsed or certified by the NVD.

Vendor advisory and patch

Other references

Showing 6 of 10 recorded references.