How severe is CVE-2026-85102?

CVE-2026-85102 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-85102 being actively exploited?

Yes. CVE-2026-85102 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-09-22, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2026-85102?

CVE-2026-85102 primarily affects Checkpoint Gaia Embedded. In total, 136 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-85102?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

When was CVE-2026-85102 published?

CVE-2026-85102 was published on 2026-09-09 and last updated on 2026-09-23.

CVE-2026-85102

CVE-2026-85102 is a critical-severity vulnerability in Checkpoint Gaia Embedded with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-09-22). The underlying weakness is classified as CWE-295.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2026-09-22)
Weakness: CWE-295
Affected product: Checkpoint Gaia Embedded
Published: 2026-09-09
Last modified: 2026-09-23

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-85102?: CVE-2026-85102 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-85102 being actively exploited?: Yes. CVE-2026-85102 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-09-22, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2026-85102?: CVE-2026-85102 primarily affects Checkpoint Gaia Embedded. In total, 136 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-85102?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
When was CVE-2026-85102 published?: CVE-2026-85102 was published on 2026-09-09 and last updated on 2026-09-23.

References

Affected products (136)

cpe:2.3:o:checkpoint:gaia_embedded:*:*:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r81.10.17:-:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r81.10.17:build_996004508:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r81.10.17:build_996004620:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r81.10.17:build_996004653:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r81.10.17:build_996004721:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r81.10.17:build_996004892:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r81.10.17:build_996004901:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r81.10.17:build_996004914:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r81.10.17:build_996004936:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r82.00.10:-:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r82.00.10:build_998001559:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r82.00.10:build_998001562:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r82.00.10:build_998002110:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r82.00.10:build_998002112:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r82.00.10:build_998002133:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r82.00.10:build_998002203:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r82.00.10:build_998002216:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r82.00.10:build_998002242:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_embedded:r82.00.10:build_998002279:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:*:*:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:-:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_106:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_107:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_109:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_110:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_113:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_128:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_129:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_130:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_131:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_132:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_135:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_139:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_14:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_141:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_150:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_152:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_156:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.10:take_158:*:*:*:*:*:*

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