CVE-2025-12548

Critical

Description

A flaw was found in Eclipse Che che-machine-exec. This vulnerability allows unauthenticated remote arbitrary command execution and secret exfiltration (SSH keys, tokens, etc.) from other users' Developer Workspace containers, via an unauthenticated JSON-RPC / websocket API exposed on TCP port 3333.

SeverityCritical

CVSS9.0

Exploit probability—

ProductOpenshift Devspaces 3.22

PublishedJan 13, 2026

First seenJan 13, 2026

Weakness typeCWE-306Missing authentication for critical function

How to fix

Vendor advisories

access.redhat.com/errata/RHSA-2025:22620
access.redhat.com/errata/RHSA-2025:22623
access.redhat.com/errata/RHSA-2025:22652

Affected products

Product	Affected versions	Fixed in
openshift_devspaces 3.22	No range specified	—
openshift_devspaces 3.23	No range specified	—
openshift_devspaces 3.24	No range specified	—

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