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Findings

CVE-2026-50751

Check Point Security Gateway Improper Authentication Vulnerability

Published Jun 8, 2026 · updated Aug 3, 2026 · Check Point Security Gateway

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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 8, 2026 · Catalog

    Detected

    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.

  2. Jun 8, 2026 · CISA KEV

    Known exploited

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

  3. Jun 11, 2026 · CISA KEV

    Remediation due

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

  4. Aug 3, 2026 · Catalog

    Updated

    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.

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.

CISA due date Jun 11, 2026

Affected

  • cpe checkpoint/gaia embeddedversion unspecified
  • cpe checkpoint/gaia osversion unspecified
  • cpe checkpoint/gaia osr81.20
  • vendor Check Point Security Gatewayversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2026-50751

    Check Point Security Gateway contains an improper authentication vulnerability in IKEv1 key exchange that could allow an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2026-50751

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-50751

    30-day exploitation probability 85.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-50751

    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.

    nvd.nist.gov

References