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CVE-2026-66795 Managedcluster-import-controller: csr auto-approver does not validate certificate subject or signername (spoke→hub cluster-admin)

🗓️ 17 Aug 2026 20:45:33Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 70 Views

managedcluster-import-controller auto-approves CSRs without validating signer or subject, enabling hub cluster privilege escalation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-66795
17 Aug 202622:08
–circl
cve
CVE
CVE-2026-66795
17 Aug 202620:45
–cve
euvd
EUVD
EUVD-2026-60452
17 Aug 202620:45
–euvd
mend
Mend
CVE-2026-66795
17 Aug 202620:45
–mend
nvd
NVD
CVE-2026-66795
17 Aug 202621:16
–nvd
ptsecurity
Positive Technologies
PT-2026-76789
17 Aug 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-66795: Improper Certificate Validation
17 Aug 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-66795
17 Aug 202620:45
–redhatcve
redhat
RedHat Linux
Important: Red Hat Security Advisory: multicluster engine for Kubernetes v2.11.6 security update
25 Aug 202618:37
–redhat
redhat
RedHat Linux
Important: Red Hat Security Advisory: multicluster engine for Kubernetes v2.10.6 security update
25 Aug 202618:46
–redhat
Rows per page
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    ],
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    ]
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]

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