CVE-2026-85102: Unauth RCE via Improper Cert Trust Validation in CP Quantum SG
CVE-2026-85102 Published on September 9, 2026
Improper 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.
Vulnerability Analysis
CVE-2026-85102 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
Improper Certificate Validation
The software does not validate, or incorrectly validates, a certificate. When a certificate is invalid or malicious, it might allow an attacker to spoof a trusted entity by interfering in the communication path between the host and client. The software might connect to a malicious host while believing it is a trusted host, or the software might be deceived into accepting spoofed data that appears to originate from a trusted host.
Products Associated with CVE-2026-85102
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Affected Versions
checkpoint Quantum Security Gateway:- Version R82.10 with Jumbo Hotfix Take 43 or below is affected.
- Version R82 with Jumbo Hotfix Take 125 or below is affected.
- Version R81.20 with Jumbo Hotfix Take 165 or below is affected.