Which products and versions are affected by CVE-2026-85102?

Affected: Gaia Embedded (Checkpoint) versions r81.10.17, r81.10.17-build_996004508, r81.10.17-build_996004620, r81.10.17-build_996004653, r81.10.17-build_996004721, r81.10.17-build_996004892, r81.10.17-build_996004901, r81.10.17-build_996004914; Gaia OS (Checkpoint) versions r81.10, r81.10-take_106, r81.10-take_107, r81.10-take_109, r81.10-take_110, r81.10-take_113, r81.10-take_128, r81.10-take_129; Quantum Security Gateway versions >= R82.10 with Jumbo Hotfix Take 43 or below. The full list is in the CVE brief.

Is CVE-2026-85102 being exploited in the wild?

It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 22, 2026.

Is CVE-2026-85102 in the CISA KEV catalog?

Yes. It was added on Sep 22, 2026 with a federal remediation due date of Sep 25, 2026.

Is there a public exploit for CVE-2026-85102?

Public exploit code is available.

Is there a fix for CVE-2026-85102?

Fixed versions are available, including Gaia Embedded r81.10.17, Gaia Embedded r82.00.10, Gaia OS r81.10.

How urgently should CVE-2026-85102 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2026-85102

CriticalExploitedPublic exploit

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.

Published Sep 9, 2026 · Updated Sep 23, 2026

Key Facts

Patch immediately

CVE-2026-85102 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Gaia Embedded (Checkpoint), Gaia OS (Checkpoint), Quantum Security Gateway.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 22, 2026. Public exploit code is available.
EPSS estimates a 50% probability of exploitation in the next 30 days.
Fixed versions are available, including Gaia Embedded r81.10.17, Gaia Embedded r82.00.10, Gaia OS r81.10.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

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

EPSS (30-day exploit likelihood)

50%

Higher than 98.9% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2026-85102 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CISA KEV	Sep 22, 2026	Sep 25, 2026	Not reported
Industry KEV feed	Sep 22, 2026	Sep 25, 2026	Not reported
CIRCL KEV	Sep 22, 2026	Sep 25, 2026	Not reported
ENISA EUVD	Sep 22, 2026	n/a	Not reported

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.

Affected Products

137 affected entries in total

Product	Affected versions	Fixed in
Gaia EmbeddedCheckpoint	r81.10.17, r81.10.17-build_996004508, r81.10.17-build_996004620, r81.10.17-build_996004653, r81.10.17-build_996004721, r81.10.17-build_996004892, r81.10.17-build_996004901, r81.10.17-build_996004914	r81.10.17
Gaia OSCheckpoint	r81.10, r81.10-take_106, r81.10-take_107, r81.10-take_109, r81.10-take_110, r81.10-take_113, r81.10-take_128, r81.10-take_129	r81.10
Quantum Security Gateway	>= R82.10 with Jumbo Hotfix Take 43 or below	n/a

Patched Releases

Gaia Embedded

r81.10.17, r82.00.10

Gaia OS

r81.10

Timeline

Publicly disclosed
Sep 9, 2026
Added to CISA KEV
Sep 22, 2026
Added to Industry KEV feed
Sep 22, 2026
Added to CIRCL KEV
Sep 22, 2026
Added to ENISA EUVD
Sep 22, 2026
Last updated
Sep 23, 2026

Weakness Type

CWE-295 Improper Certificate Validation

References

exploitVulnCheck exploitation report
exploitVulnCheck exploitation report
exploitVulnCheck exploitation report
exploitVulnCheck exploitation report
otherhttps://support.checkpoint.com/results/sk/sk1000117

1 more references in the full CVE brief

FAQ

Common Questions.

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.
Affected: Gaia Embedded (Checkpoint) versions r81.10.17, r81.10.17-build_996004508, r81.10.17-build_996004620, r81.10.17-build_996004653, r81.10.17-build_996004721, r81.10.17-build_996004892, r81.10.17-build_996004901, r81.10.17-build_996004914; Gaia OS (Checkpoint) versions r81.10, r81.10-take_106, r81.10-take_107, r81.10-take_109, r81.10-take_110, r81.10-take_113, r81.10-take_128, r81.10-take_129; Quantum Security Gateway versions >= R82.10 with Jumbo Hotfix Take 43 or below. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 22, 2026.
Yes. It was added on Sep 22, 2026 with a federal remediation due date of Sep 25, 2026.
Public exploit code is available.
Fixed versions are available, including Gaia Embedded r81.10.17, Gaia Embedded r82.00.10, Gaia OS r81.10.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2026-85102 Running On Your Attack Surface?

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