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Vulnerability record · CVE-2026-85102 · published 9 September 2026

CVE-2026-85102: Checkpoint gaia embedded improper certificate validation vulnerability

Checkpoint · Gaia Embedded

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.

9.8 CVSS 3.1 Critical CISA KEV since 22 Sep 2026 EPSS 0.99% · top 39.0% CWE-295 · Improper certificate validation
9.8CVSS 3.1 base score
0.99%EPSS exploitation probability, 30 days
YesIn CISA KEV, fix deadline passed
2Affected product versions listed by NVD
3References
23 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation in the wild

CISA added CVE-2026-85102 to the Known Exploited Vulnerabilities catalog on 22 September 2026 as "Check Point Multiple Products Improper Certificate Validation Vulnerability". 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. Federal deadline 25 September 2026.

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.checkpoint.com/results/sk/sk1000117 MitigationPatchVendor Advisory
https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-cve-2026-85102-and-a-manag Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85102 US Government Resource

Track CVE-2026-85102 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-85102), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.