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CVE-2026-59831

GitHub CLI `gh codespace jupyter` could allow remote code execution when connecting to a malicious Codespace PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
cli / cliaffected >= 2.10.0, < 2.96.0

CWE

CWE-829

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.