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4.4 Medium

CVE-2026-59831 GitHub CLI (gh) is GitHub’s official command line tool

Description

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 loopback HTTP or HTTPS address, allowing a crafted vscode:// or vscode-insiders:// URL to be handed to VS Code. This issue is fixed in version 2.96.0.

Affected products and versions

Product Affected versions Fixed in
cli 2.10 2.10.0 → < 2.96.0 2.96.0
The 12 CVEs of cli →
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