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CVE-2026-64655

🗓️ 06 Aug 2026 22:18:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 6 Views

gh attestation verify treats signer names as regex, enabling attestation bypass via lookalike repos before 2.97.0.

Related
Packages
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
cvelist
Cvelist
CVE-2026-64655 GitHub CLI: Attestation Verification Bypass via Unescaped Regex Metacharacters in SAN Matching
6 Aug 202618:41
cvelist
debiancve
Debian CVE
CVE-2026-64655
6 Aug 202618:41
debiancve
euvd
EUVD
EUVD-2026-54222
6 Aug 202618:41
euvd
nvd
NVD
CVE-2026-64655
6 Aug 202622:18
nvd
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
osv
OSV
UBUNTU-CVE-2026-64655
6 Aug 202622:18
osv
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu22.04allgh0gh_0_all.deb
Ubuntu24.04allgh0gh_0_all.deb
Ubuntu26.04allgh0gh_0_all.deb

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14 Aug 2026 17:53Current
5.4Medium risk
Vulners AI Score5.4
CVSS 42.1
EPSS0.00329
SSVC
6