CVE-2025-12548

Name: CVE-2025-12548
Creator: NVD / NIST
Published: 2026-01-13T16:15:55.527+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 1.16%

Last modified Jun 17, 2026

CVE-2025-12548 is a critical-severity vulnerability rated 9/10 on the CVSS scale. 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.. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

EPSS Probability

1.16%

63.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

References

Timeline

Published: Jan 13, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2025-12548?

How severe is CVE-2025-12548?

CVE-2025-12548 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2025-12548?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-12548?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST