CVE-2025-12548 Github.com/che-incubator/che-code: eclipse che — unauthenticated rce and secret exfiltration via tcp/3333
Unauthenticated attackers can execute arbitrary commands and steal secrets from other users' workspaces via an exposed JSON-RPC API.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-12548?
CVE-2025-12548 is a critical missing authorization vulnerability in Red Hat OpenShift Dev Spaces (RHOSDS) 3.22, published on 13 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-306
Which versions are affected by CVE-2025-12548?
How do I fix CVE-2025-12548?
No fix has been published for CVE-2025-12548 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-12548 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-12548 exists.
Public exploit code: 1 Metasploit module.
Sources
Also known as GHSA-64f4-p4m8-4j89.