CVE-2026-59831

MediumCVSS 4.4/10Last modified Jul 14, 2026

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.

Metrics

CVSS 3.1 4.4/10CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-829

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
cli	cli	>= 2.10.0, < 2.96.0

References

Timeline

Published: Jul 9, 2026
Last modified: Jul 14, 2026
NVD status: Awaiting Analysis

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