CVE-2025-12548 CRITICAL

CVE-2025-12548: Github.com/che-incubator/che-code: eclipse che — unauthenticated rce and secret exfiltration via tcp/3333

Weakness CWE-306 · Missing auth
Published January 13, 2026
Last update January 21, 2026
View on NVD All CVEs

CVSS base score

9.0/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 13, 2026 CVE published
January 21, 2026 Record updated