Improper Certificate Validation in Quantum Security Gateway
Published Sep 9, 2026 ·Due Sep 25, 2026
9.8
CRITICALCVSS 3.1
EPSS 7.55%
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
-
- Version R81.20 with Jumbo Hotfix Take 165 or belowStatusaffectedConstraints-
- Version R82 with Jumbo Hotfix Take 125 or belowStatusaffectedConstraints-
- Version R82.10 with Jumbo Hotfix Take 43 or belowStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Check Point | Quantum Security Gateway | n/a |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
Date Added
Sep 22, 2026
Patch Due
Sep 25, 2026
Required Action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Sep 22, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Sep–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.55% (0.07546) | 94.33th | v5 (v2026.06.15) |
| Sep 10, 2026 | 0.33% (0.00329) | 25.80th | v5 (v2026.06.15) |
References (3)
- https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-cve-2026-85102-and-a-management-pre-authentication-vulnerability-cve-2026-93616/ vendor-advisory
- https://support.checkpoint.com/results/sk/sk1000117
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85102 government-resource
Change history (9)
- CISA ADP
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none active → none
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none
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none active → none
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- CISA ADP
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active none → active
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none active → none
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none
- CISA ADP
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active none → active
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active
- CISA ADP
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none active → none
- SSVC exploitation changed from active to
none
- CISA ADP
- SSVC exploitation changed from none to
active none → active
- SSVC exploitation changed from none to
active