Improper Certificate Trust Validation in Check Point Quantum Security Gateway
CVE-2026-85102

9.8CRITICAL

Key Information:

Vendor

Checkpoint
Status
Quantum Security Gateway
Vendor
CVE Published:
9 September 2026

What is CVE-2026-85102?

An improper certificate trust validation issue exists in Check Point Quantum Security Gateway during VPN negotiation. This vulnerability could potentially allow an unauthenticated remote attacker to execute arbitrary code on the affected gateway, posing a significant security risk. It is essential for organizations using this product to review their configurations and apply the necessary mitigations to protect their systems.

Affected Version(s)

Quantum Security Gateway R82.10 with Jumbo Hotfix Take 43 or below

Quantum Security Gateway R82 with Jumbo Hotfix Take 125 or below

Quantum Security Gateway R81.20 with Jumbo Hotfix Take 165 or below

References

https://support.checkpoint.com/results/sk/sk1000117

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.