Unauthenticated RCE via JSONRPC in Eclipse Che chemachineexec
CVE-2025-12548 Published on January 13, 2026
Github.com/che-incubator/che-code: eclipse che — unauthenticated rce and secret exfiltration via tcp/3333
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 Analysis
CVE-2025-12548 is exploitable with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Timeline
Reported to Red Hat.
Made public. 32 days later.
Weakness Type
Missing Authentication for Critical Function
The software does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
Products Associated with CVE-2025-12548
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Affected Versions
Red Hat OpenShift Dev Spaces (RHOSDS) 3.22:- Version sha256:3de7dd8077a9201eb7ff56c340629184773d6c06de9d6e083e13c5b51a82009c and below * is unaffected.
- Version sha256:a6fe7e233fa23e1fff9c74c5d4cbe800534561131b5be59533e88ede24452e3a and below * is unaffected.
- Version sha256:ced0e45c01cb5f473deb4fb137249b743b907d27172fbabd223024c4000ba56f and below * is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.