Vulnerability Intelligence Report
Improper Certificate Validation in Quantum Security Gateway
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.
CISA KEV
SSVC: Active Exploitation
Automatable
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:0.33%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-295 ↗CWE-295: Improper Certificate Validation.
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| checkpoint | Quantum Security Gateway | R82.10 with Jumbo Hotfix Take 43 or below (affected), R82 with Jumbo Hotfix Take 125 or below (affected), R81.20 with Jumbo Hotfix Take 165 or below (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Check Point Software Ltd. · Vendor · Israel |
| Reserved | 2026-09-03T06:38:15 |
| Published | 2026-09-09T13:00:31 |
| Last Updated | 2026-09-23T03:55:34 |
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