Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2026-85102: Check Point Multiple Products Improper Certificate Validation Vulnerability

92
Patch now
CRITICAL 9.8EXPLOITEDREMOTEUPGRADEUPGRADE

CVE-2026-85102 is a critical-severity flaw (CVSS 9.8) affecting gaia embedded, gaia os, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

  • Critical severity
  • EPSS top 1%: very likely to be exploited
  • Exploited in the wild (CISA KEV)
  • CISA SSVC: automatable with total technical impact
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance54.2% (top 1%)
CISA exploited listYes, fix due 2026-09-25
WeaknessCWE-295
Published2026-09-09
Last modified2026-09-23
Publisher (CNA): Check Point Software Technologies Ltd. · Vendor: checkpoint

Am I affected?

Timeline

checkpoint gaia embedded UPGRADE
Affected: >= r81.10.00 and < r81.10.17 · >= r82.00.00 and < r82.00.10 · 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
Fixed in: r81.10.17, r82.00.10
Safe to downgrade to: a release before r81.10.00
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
checkpoint gaia os UPGRADE
Affected: >= r80 and < r81.10 · 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
Fixed in: r81.10
Safe to downgrade to: a release before r80
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

Fedora 46 · uv · FIXED · 0.13.5-1.fc46 · FEDORA-2026-61ea5a28c6 · source
sudo dnf upgrade --advisory=FEDORA-2026-61ea5a28c6

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Verify at the official source NVD · CVE Program · CISA KEV catalog · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-85102?

gaia embedded: upgrade to r81.10.17, r82.00.10; gaia os: upgrade to r81.10. Exact commands for each OS are on this page.

Is CVE-2026-85102 being exploited?

Yes. CVE-2026-85102 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

What does CVE-2026-85102 affect?

CVE-2026-85102 affects gaia embedded, gaia os. Severity is critical (CVSS 9.8). 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 urgent is CVE-2026-85102?

Priority 92/100. Critical severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

References

← Back to latest CVEs