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CVE-2026-50751

9.3, critical Known exploited Used in ransomware

Check Point Security Gateway Improper Authentication Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
9.3, critical critical CVSS v3.1
EPSS, next 30 days
85% higher than 99.7% of scored CVEs
Exploitation
Confirmed in the wild
Published
8 Jun 20264 months ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 8 Jun 2026 and links it to ransomware activity. US federal agencies had to remediate by 11 Jun 2026, a deadline that has passed.

Required action. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Description

A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchange allows an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.

Details

Vendor
Check Point
Product
Quantum Security Gateway
Weakness
CWE-287 (opens in a new tab)
Status
Analyzed
Updated
4 Aug 2026
Assigner
cve@checkpoint.com

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

References 3

Patches and fixes 1

Advisories 1

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Check Point CVEs

Every Check Point CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-93616 Check Point Multiple Products Path Traversal Vulnerability KEV EPSS 76% 9.8, critical
  • CVE-2026-85102 Check Point Multiple Products Improper Certificate Validation Vulnerability KEV EPSS 50% 9.8, critical
  • CVE-2026-16232 Check Point SmartConsole Improper Authentication Vulnerability KEV EPSS 78% 9.8, critical
  • CVE-2024-24919 Check Point Quantum Security Gateways Information Disclosure Vulnerability KEV EPSS 100% 8.6, high

Beyond this page

Is CVE-2026-50751 in your network?

This page tells you how dangerous CVE-2026-50751 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2026-50751 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2026-50751 comes with the devices to patch.

    Learn more about EXYS7600 OCELOT

  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.