Skip to content
OpenAdvisories

Product · Check Point

Quantum Security Gateway

10 known vulnerabilities.

Quantum Security Gateway at a glance

Last 12 months
10
Critical · all time
3
Exploited · all time
3
Public exploit · all time
2

1 of the exploited vulnerabilities are known to be used by ransomware (CISA).

New vulnerabilities per month · last 12 months
0 3 5 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 5 vulnerabilities June 2026: 2 vulnerabilities, 1 critical Jun July 2026: 1 vulnerability August 2026: 0 vulnerabilities September 2026: 2 vulnerabilities, 2 critical Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
Show as table
MonthVulnerabilitiesCritical
Nov 202600
Oct 202600
Sep 202622
Aug 202600
Jul 202610
Jun 202621
May 202650
Apr 202600
Mar 202600
Feb 202600
Jan 202600
Dec 202500
Nov 202500
Oct 202500
Sep 202500
Aug 202500
Jul 202500
Jun 202500
May 202500
Apr 202500
Mar 202500
Feb 202500
Jan 202500
Dec 202400

Latest advisories

  • Critical max 9.8
    NCSC-2026-0365 2 CVEs 2 exploited rev. 2

    Kwetsbaarheden verholpen in Check Point VPN-producten

    Check Point heeft twee kritieke kwetsbaarheden verholpen in Quantum Security Gateway en Security Management.

    Check Point
    first Sep 10, 2026
  • Critical max 9.3
    NCSC-2026-0179 2 CVEs 1 exploited rev. 2

    Kwetsbaarheden verholpen in Check Point Remote and Mobile Access VPN-producten

    Check Point heeft kwetsbaarheden verholpen in Remote and Mobile Access VPN-producten, specifiek voor implementaties die gebruikmaken van het IKEv1 key exchange protocol.

    Check Point
    first Jun 8, 2026
All Critical High Medium Low Exploited only Public exploit

10 results · Feed

  • Critical 9.8
    CVE-2026-85103 Exploited

    Heap-based Buffer Overflow in VPN Certificate ASN.1 Decoding

    A heap-based buffer overflow in VPN certificate ASN.1 decoding may allow an unauthenticated remote attacker to execute arbitrary code on Check Point Quantum Security Management and Quantum Security Gateway systems.

    Check Point Quantum Security Gateway Quantum Security Management Network devices
  • Critical 9.8
    CVE-2026-85102 Exploited Public exploit EPSS 54%

    Improper Certificate Validation in Quantum Security Gateway

    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.

    Check Point Quantum Security Gateway Network devices
    KEV Sep 22, 2026
  • High 7.5
    CVE-2026-62145

    Local Privilege Escalation in Gaia Portal

    A vulnerability in Check Point Gaia Portal allows an authenticated attacker with read-only Gaia Portal privileges to execute commands with root privileges.

    Check Point Quantum Security Gateway Quantum Security Management Network devices
  • Critical 9.3
    CVE-2026-50751 Exploited · Ransomware Public exploit Scanner template EPSS 85%

    User Authentication Bypass in VPN Remote Access and Mobile Access

    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.

    Check Point Quantum Security Gateway Spark Firewalls Network devices
    KEV Jun 8, 2026
  • High 7.4
    CVE-2026-50752

    Certificate Validation Bypass in VPN Site-to-Site Connections Using IKEv1

    A weakness in the certificate validation logic of the deprecated IKEv1 key exchange may allow an unauthenticated attacker positioned as a man-in-the-middle to bypass certificate validation in VPN site-to-site connections that use certificate-based authenticat…

    Check Point Quantum Security Gateway Spark Firewalls Network devices
  • Medium 5.3
    CVE-2026-48135

    HTTP service can incorrectly process malformed HTTP requests

    A Check Point HTTP-based service can incorrectly handle malformed HTTP requests. The issue is related to HTTP request parsing and validation.

    Check Point Quantum Security Gateway Network devices
  • Medium 5.6
    CVE-2026-48134

    SQL injection issue in UserCheck Portal when DLP Software Blade is active

    When the DLP is active, the UserCheck Web Portal contains an input-handling issue in the UserChoice flow. Under specific conditions, an attacker who can access the UserCheck Ask page could attempt to manipulate the Security Gateway's stored DLP/UserCheck inci…

    Check Point Quantum Security Gateway Network devices
  • High 7.5
    CVE-2026-48133

    Identity Awareness Captive Portal - Unauthenticated Local File Inclusion

    When the Identity Awareness blade is enabled with Browser-Based Authentication, an unauthenticated user may be able to read certain internal files on the Security Gateway.

    Check Point Quantum Security Gateway Network devices
  • High 8.1
    CVE-2026-48132

    VPN service may restart unexpectedly when processing IKE traffic over NAT-T 4500/UDP

    The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T is used (4500/UDP). As a result, a specially crafted or malformed packet can cause the VPN processing service to terminate unexpectedly, leading to denial of ser…

    Check Point Quantum Security Gateway Network devices
  • High 8.1
    CVE-2026-48131

    VPND IKE Fragment Reassembly - Heap Out-of-Bounds Write via Sequence Number Zero

    The VPN service may mishandle an unexpected IKE fragment value received on the IKE port 500/UDP during the early stage of a connection attempt. This can cause the service to terminate unexpectedly, resulting in denial of service (temporary disruption of VPN-r…

    Check Point Quantum Security Gateway Network devices