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CVE-2026-64655 GitHub CLI: Attestation Verification Bypass via Unescaped Regex Metacharacters in SAN Matching

🗓️ 06 Aug 2026 18:41:54Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

GitHub CLI before 2.97.0 does not escape SAN regex, letting lookalike names bypass attestations.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-64655
6 Aug 202618:41
attackerkb
cbl_mariner
CBLMariner
CVE-2026-64655 affecting package gh for versions less than 2.97.0-1
20 Aug 202618:41
cbl_mariner
cve
CVE
CVE-2026-64655
6 Aug 202618:41
cve
debiancve
Debian CVE
CVE-2026-64655
6 Aug 202618:41
debiancve
euvd
EUVD
EUVD-2026-54222
6 Aug 202618:41
euvd
mscve
Microsoft CVE
GitHub CLI: Attestation Verification Bypass via Unescaped Regex Metacharacters in SAN Matching
11 Aug 202608:03
mscve
nvd
NVD
CVE-2026-64655
6 Aug 202622:18
nvd
opensuse
OPENSUSE Linux
Security update for gh (important)
27 Aug 202600:00
opensuse
osv
OSV
DEBIAN-CVE-2026-64655
6 Aug 202622:18
osv
osv
OSV
OPENSUSE-SU-2026:11530-1 gh-2.97.0-1.1 on GA media
17 Aug 202600:00
osv
Rows per page
[
  {
    "vendor": "cli",
    "product": "cli",
    "versions": [
      {
        "version": "< 2.97.0",
        "status": "affected"
      }
    ]
  }
]

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