MEDIUM 4.4 Microsoft

CVE-2026-59831

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

Microsoft Security Update 2026-Jul: GitHub CLI `gh codespace jupyter` could allow remote code execution when connecting to a malicious Codespace

Affected Products

azl3 gh 2.62.0-18 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59831
https://nvd.nist.gov/vuln/detail/CVE-2026-59831

Published: 2026-07-14 · Source: Microsoft · Feed updated: 2026-08-04

This medium severity vulnerability with a CVSS score of 4.4 was published on 2026-07-14 via Microsoft. Affected: azl3 gh 2.62.0-18 on Azure Linux 3.0.

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