DEBIAN-CVE-2026-59831

GitHub CLI gh is GitHub’s official command line tool. From 2.10.0 through 2.95.0, connecting to a malicious Codespace with gh codespace jupyter can allow command execution because the command opens a JupyterLab URL supplied by a process inside the Codespace without validating that it is a loopbac...

CVE-2026-59831 GitHub CLI `gh codespace jupyter` could allow remote code execution when connecting to a malicious Codespace

GitHub CLI gh is GitHub’s official command line tool. From 2.10.0 through 2.95.0, connecting to a malicious Codespace with gh codespace jupyter can allow command execution because the command opens a JupyterLab URL supplied by a process inside the Codespace without validating that it is a loopbac...

PT-2026-57006

Name of the Vulnerable Software and Affected Versions GitHub CLI gh versions 2.10.0 through 2.95.0 Description Connecting to a malicious Codespace using the gh codespace jupyter command can lead to command execution. This occurs because the tool opens a JupyterLab URL provided by a process within...