CVE-2026-85102
Improper Certificate Validation in Quantum Security Gateway
CVSS Score
9.8
EPSS Score
0.3%
EPSS Percentile
26th
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.
| CWE | CWE-295 |
| Vendor | checkpoint |
| Product | quantum security gateway |
| Published | Sep 9, 2026 |
| Last Updated | Sep 23, 2026 |
⚠️ Actively Exploited — Act Now
Get instant alerts for checkpoint quantum security gateway
This vulnerability is actively exploited in the wild. Set up free real-time alerts so you're first to know about threats like CVE-2026-85102.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
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
High
Integrity
High
Availability
High
Affected Versions
checkpoint / Quantum Security Gateway
R82.10 with Jumbo Hotfix Take 43 or below R82 with Jumbo Hotfix Take 125 or below R81.20 with Jumbo Hotfix Take 165 or below
References
support.checkpoint.com: https://support.checkpoint.com/results/sk/sk1000117 blog.checkpoint.com: https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-cve-2026-85102-and-a-management-pre-authentication-vulnerability-cve-2026-93616/ cisa.gov: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85102