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2026-012: Critical Vulnerabilities in Check Point Products

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CERT-EU
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2026. 09. 12. 18:31 KST

출처: CERT-EU · © Cybersecurity Service for the Union institutions, bodies, offices and agencies (CERT-EU). · CC BY 4.0
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CVE-2026-85102

Improper certificate trust validation during VPN negotiation in Check Point Quantum Security Gateway may allow an unauthenticated remote attacker to execute arbitrary code on the Gateway.

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CVE-2026-85103

A heap-based buffer overflow in VPN certificate ASN.1 decoding may allow an unauthenticated remote attacker to execute arbitrary code on Check Point Quantum Security Management and Quantum Security Gateway systems.

조치사항 확인이 필요합니다.

On 9 September 2026, Check Point released emergency security updates addressing two critical vulnerabilities affecting Check Point Security Gateway, Security Management Server, and Spark Firewall deployments configured to use Remote Access VPN or Site-to-Site VPN. Both vulnerabilities carry a CVSS s

History:

  • 10/09/2026 --- v1.0 -- Initial publication

Summary

On 9 September 2026, Check Point released emergency security updates addressing two critical vulnerabilities affecting Check Point Security Gateway, Security Management Server, and Spark Firewall deployments configured to use Remote Access VPN or Site-to-Site VPN [1,2]. Both vulnerabilities carry a CVSS score of 9.8 and could allow an unauthenticated, remote attacker to execute arbitrary code on affected appliances [1,2].

CERT-EU strongly recommends applying the available hotfixes as soon as possible, prioritising internet-facing and perimeter appliances.

Technical Details

The vulnerability CVE-2026-85102, with a CVSS score of 9.8, is an improper certificate-data validation vulnerability in the VPN negotiation flow of Check Point Security Gateway that allows an unauthenticated, remote attacker to execute arbitrary code on the affected appliance [1]. The issue affects deployments using either Site-to-Site VPN or Remote Access VPN [1].

The vulnerability CVE-2026-85103, with a CVSS score of 9.8, is a heap overflow vulnerability in the VPN certificate ASN.1 decoding flow of Check Point Security Gateway and Security Management Server that allows a remote attacker to execute arbitrary code on the affected appliance [2]. Unlike CVE-2026-85102, this vulnerability affects both the Security Gateway and the Security Management Server [2].

Affected Products

The following Check Point products and versions are affected [1,2]:

  • Check Point Security Gateway — R80, R80.10, R80.20, R80.30, R80.40 (End of Support)
  • Check Point Security Gateway — R81, R81.10 (End of Support)
  • Check Point Security Gateway — R81.10.X
  • Check Point Security Gateway — R81.20
  • Check Point Security Gateway — R82
  • Check Point Security Gateway — R82.00.X
  • Check Point Security Gateway — R82.10
  • Check Point Security Management Server — all versions listed above
  • Check Point Spark Firewall (Centrally Managed and Locally Managed) — all versions listed above

Exploitation of CVE-2026-85102 requires the deployment to be configured with either Remote Access VPN or Site-to-Site VPN [1]. Exploitation of CVE-2026-85103 additionally affects the Security Management Server in such configurations [2].

Additional information is available in the vendor's advisories [1,2].

Recommendations

CERT-EU strongly recommends that all organisations running affected Check Point products apply the available hotfixes immediately [1].

References

[1] https://support.checkpoint.com/results/sk/sk1000117/

[2] https://support.checkpoint.com/results/sk/sk1000118/

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