Spurious OSC 11 when using tmux over Windows' SSH #22356

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opened 2026-01-31 08:10:47 +00:00 by claunia · 0 comments
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Originally created by @lhecker on GitHub (Oct 7, 2024).

Windows Terminal version

1.23.2771.0

Windows build number

10.0.26100.0

Other Software

  • OpenSSH_for_Windows_9.5p1, LibreSSL 3.8.2
  • tmux 3.5a

Steps to reproduce

  • Either
    • ssh to a Linux box
    • ssh to WSL (you can get the WSL2 VM IP by running e.g. ip a inside WSL)
  • Run tmux

Expected Behavior

Welcome to fish, the friendly interactive shell
Type help for instructions on how to use fish
lhecker@server ~>

Actual Behavior

Welcome to fish, the friendly interactive shell
Type help for instructions on how to use fish
lhecker@server ~> ]11;rgb:0000/0000/0000\

The issue does not occur when ssh'ing to localhost inside WSL.

Originally created by @lhecker on GitHub (Oct 7, 2024). ### Windows Terminal version 1.23.2771.0 ### Windows build number 10.0.26100.0 ### Other Software * OpenSSH_for_Windows_9.5p1, LibreSSL 3.8.2 * tmux 3.5a ### Steps to reproduce * Either * ssh to a Linux box * ssh to WSL (you can get the WSL2 VM IP by running e.g. `ip a` inside WSL) * Run tmux ### Expected Behavior ``` Welcome to fish, the friendly interactive shell Type help for instructions on how to use fish lhecker@server ~> ``` ### Actual Behavior ``` Welcome to fish, the friendly interactive shell Type help for instructions on how to use fish lhecker@server ~> ]11;rgb:0000/0000/0000\ ``` The issue does not occur when ssh'ing to localhost inside WSL.
claunia added the Issue-BugArea-VTNeeds-Tag-FixProduct-Terminal labels 2026-01-31 08:10:48 +00:00
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Reference: starred/terminal#22356