CVE-2026-85102
Check Point Multiple Products Improper Certificate Validation Vulnerability
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2026-09-22. Federal due date: 2026-09-25.
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.
Impact
Check Point Security Gateway and Check Point Spark Firewall using Site to Site VPN or Remote Access VPN contain an improper certificate validation vulnerability which could allow an unauthenticated remote attacker to execute arbitrary code on the Gateway.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Checkpoint | Quantum Security Gateway | Versions R82.10 with Jumbo Hotfix Take 43 or below, R81.20 with Jumbo Hotfix Take 165 or below, R82 with Jumbo Hotfix Take 125 or below |
| Checkpoint | Gaia Embedded | from r81.10.00 before r81.10.17 from r82.00.00 before r82.00.10 Versions r81.10.17, r82.00.10 |
| Checkpoint | Gaia Os | from r80 before r81.10 Versions r81.10, r81.20, r82, r82.10 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- CISA KEV catalog
- https://support.checkpoint.com/results/sk/sk1000117
- https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-cve-2026-85102-and-a-management-pre-authentication-vulnerability-cve-2026-93616/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85102