Windows bash commands fail with CreateMapping fatal error when sandbox-mode is workspace-write
Open 💬 1 comment Opened May 8, 2026 by chibhat-orcl
What version of the IDE extension are you using?
26.506.21252
What subscription do you have?
Oracle Corp.
Which IDE are you using?
VS Code
What platform is your computer?
Microsoft Windows NT 10.0.26200.0 x64
What issue are you seeing?
All commands to be run in bash fail with the errorfatal error - CreateFileMapping S-1-5-21-2019365981-16661518-2324984931-1002.1, Win32 error 5. Terminating.
Changing sandbox-mode to workspace-write fixes the issue. And I have to run every bash command outside sandbox mode explicitly, asking permissions every time.
<img width="927" height="1185" alt="Image" src="https://github.com/user-attachments/assets/c4d314cb-5167-4644-8cd9-cfc37d710d88" />
What steps can reproduce the bug?
- Get git bash
- have
sandbox-mode = "workspace-write" - ask it to run any basic bash command like
pwdlike in the screenshot or run any bash based script or command.
What is the expected behavior?
_No response_
Additional information
_No response_
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