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    CVE-2026-85103

    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.

    Published:Sep 9, 2026
    Last Modified:Sep 10, 2026
    EPS:Sep 9, 2026
    EPSS Score:
    CVSS Score:9.8

    Affected Products

    Vendor
    Checkpoint
    Product
    Quantum Security Gateway
    Vendor
    Checkpoint
    Product
    Quantum Security Management

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-122 Heap-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-85102 (CVSS 9.8) — Improper certificate trust validation during VPN negotiation in Check Point Quantum Security Gateway may allow…
    CVE-2026-62145 (CVSS 7.5) — A vulnerability in Check Point Gaia Portal allows an authenticated attacker with read-only Gaia Portal privile…
    CVE-2026-50751 (CVSS 9.3) — A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchan…
    CVE-2026-50752 (CVSS 7.4) — A weakness in the certificate validation logic of the deprecated IKEv1 key exchange may allow an unauthenticat…
    CVE-2026-48135 (CVSS 5.3) — A Check Point HTTP-based service can incorrectly handle malformed HTTP requests. The issue is related to HTTP …
    CVE-2026-48134 (CVSS 5.6) — When the DLP is active, the UserCheck Web Portal contains an input-handling issue in the UserChoice flow. Unde…
    CVE-2026-48133 (CVSS 7.5) — When the Identity Awareness blade is enabled with Browser-Based Authentication, an unauthenticated user may be…
    CVE-2026-48132 (CVSS 8.1) — The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T is used (450…
    CVE-2026-48131 (CVSS 8.1) — The VPN service may mishandle an unexpected IKE fragment value received on the IKE port 500/UDP during the ear…
    CVE-2024-24914 (CVSS 8) — Authenticated Gaia users can inject code or commands by global variables through special HTTP requests. A Secu…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High