What is CVE-2026-64655?

CVE-2026-64655 is a security advisory published by Microsoft Security Response Center (MSRC). GitHub CLI: Attestation Verification Bypass via Unescaped Regex Metacharacters in SAN Matching

Which CVE IDs does CVE-2026-64655 cover?

CVE-2026-64655 covers the following CVE IDs: CVE-2026-64655. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-64655?

CVE-2026-64655 affects 1 product, including: azl3 gh 2.62.0-20 on Azure Linux 3.0.

CVE-2026-64655

GitHub CLI: Attestation Verification Bypass via Unescaped Regex Metacharacters in SAN Matching

Vendor

Microsoft Security Response Center (MSRC)

Published

August 14, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-64655 →

🎯 Affected products1

azl3 gh 2.62.0-20 on Azure Linux 3.0

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64655