What’s Vulnerable › Vulnerabilities

CVE-2026-85102: Check Point Multiple Products Improper Certificate Validation Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2026-09-22
• EPSS: 54.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-09 · updated 2026-09-23
• Weakness: CWE-295

Description

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.

Affected products

• checkpoint Gaia Embedded: from r81.10.00 before r81.10.17; from r82.00.00 before r82.00.10; r81.10.17, r81.10.17-build_996004508, r81.10.17-build_996004620, r81.10.17-build_996004653, r81.10.17-build_996004721, r81.10.17-build_996004892 (+13) — fixed in r81.10.17, r82.00.10
• checkpoint Gaia Os: from r80 before r81.10; r81.10, r81.10-take_106, r81.10-take_107, r81.10-take_109, r81.10-take_110, r81.10-take_113 (+109) — fixed in r81.10

How to fix

Upgrade to a fixed version: checkpoint Gaia Embedded r81.10.17, r82.00.10; checkpoint Gaia Os r81.10. Check the vendor advisory for mitigations.

In the news

• 2026-012: Critical Vulnerabilities in Check Point Products

References

• https://support.checkpoint.com/results/sk/sk1000117
• https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-cve-2026-85102-and-a-management-pre-authentication-vulnerability-cve-2026-93616/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85102

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