CVE-2026-85102Improper Certificate Validation in Quantum Security Gateway

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.

9.8 CRITICALEPSS 54.14%⚡ Known Exploited (CISA KEV)NVD: Published

Last updated: 2026-09-23 03:55 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: checkpoint (CNA)
NVD status: Published
Published: Sep 9, 2026
Assigner: checkpoint

Affected

Quantum Security Gateway (checkpoint)

Versions: R82.10 with Jumbo Hotfix Take 43 or below · R82 with Jumbo Hotfix Take 125 or below

All affected versions →

Exploitation

Public exploit: None listed
CISA KEV: Listed · Sep 22, 2026
KEV due date: Sep 25, 2026
Ransomware use: Unknown
SSVC: Exploitation active · Automatable yes · Impact total

EPSS · FIRST, scored Nov 7

54.14%chance of exploitation in 30 days

Higher than 99.01% of CVEs

CVSS 3.1 · checkpoint (CNA)

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

NVD status: Published

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1checkpoint (CNA)	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CVE ID: CVE-2026-85102
Status: Published
Assigner (CNA): checkpoint
Published: Sep 9, 2026
Last modified: 2026-09-23 03:55 UTC
Weaknesses: CWE-295 · Improper Certificate Validation.

Sources

NVD (unavailable at last refresh)
CVE.org
CISA KEV
FIRST EPSS

Refreshed hourly from the sources above. Last fetched 2026-11-07 16:57 UTC.