Auth bypass in Red Hat Openshift Dev Spaces (Rhosds) 3.22

CVE-2025-12548

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.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-12548: held from 0.012 to 0.013.

EPSS over last 30 days · oldest: 0.012 · newest: 0.013 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-12548?
CVE-2025-12548 is a critical-severity vulnerability in Red Hat Openshift Dev Spaces (Rhosds) 3.22, classified under Missing Authentication for Critical Function. CVSS score: 9.0/10. Published 2026-01-13.
How severe is CVE-2025-12548?
Critical severity. CVSS v3 base score is 9.0 out of 10.
Is CVE-2025-12548 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.