Vulnerability in Checkpoint Gaia Embedded
CVE-2026-85102
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 class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.542 (99.0th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.542 · change: +0.532
Affected products
- Checkpoint Gaia Embedded — versions r81.10.17, r82.00.10
- Checkpoint Gaia OS — versions r81.10, r81.20, r82
- Checkpoint Quantum Security Gateway — versions R81.20 with Jumbo Hotfix Take 165 or below, R82 with Jumbo Hotfix Take 125 or below, R82.10 with Jumbo Hotfix Take 43 or below
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
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.
Public proof-of-concept exploits
References
- support.checkpoint.com/results/sk/sk1000117 (Patch, Mitigation, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2026-85102?
- CVE-2026-85102 is a critical-severity vulnerability in Checkpoint Gaia Embedded, classified under Improper Certificate Validation. CVSS score: 9.8/10. Published 2026-09-09.
- How severe is CVE-2026-85102?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2026-85102 known to be exploited?
- Yes. CVE-2026-85102 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-09-22), indicating it is being actively exploited. 1 public proof-of-concept repositories are indexed.