CVE-2026-85102
checkpoint Quantum Security Gateway
Published 9 Sept 2026 · updated 23 Sept 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 22 Sept 2026, with a remediation deadline of 25 Sept 2026 for US federal agencies.
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.
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.
References
- support.checkpoint.com/results/sk/sk1000117 · Mitigation, Patch, Vendor Advisory
- 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
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85102 · US Government Resource