CVE-2026-50751 — Security Box Score

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Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-50751CRITICAL

checkpoint Quantum Security Gateway — User Authentication Bypass in VPN Remote Access and Mobile Access

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  C  H  L  N    9.3   .8255   99.6   YES

AFFECTED
  Product                   Versions                                     Fixed
  Quantum Security Gateway  R82.10 with Jumbo Hotfix Take 19 or below –  —
  Spark Firewalls           R80.20.X, R81.10.X, and R82.00.X –           —

TIMELINE
  Jun 7   Reserved by checkpoint
  Jun 8   Added to CISA KEV, remediation due 2026-06-11
  Jun 8   Published (CNA: checkpoint)
  Jun 12  DUE DATE PASSED — CVE-2026-50751 (checkpoint Quantum Security Gateway). CISA remediation deadline was June 11, 2026; still in catalog.

CWE-287 · CNA: checkpoint · CVSS v3.1 · 3 references · NVD status: Analyzed · KEV due June 11, 2026

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.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
June 7, 2026	Reserved	Reserved by checkpoint
June 8, 2026	KEV ADDED	Added to CISA KEV, remediation due 2026-06-11
June 8, 2026	Published	Published (CNA: checkpoint)
June 12, 2026	DUE DATE PASSED	DUE DATE PASSED — CVE-2026-50751 (checkpoint Quantum Security Gateway). CISA remediation deadline was June 11, 2026; still in catalog.

Affected

Affected products and packages — 2 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
checkpoint	Quantum Security Gateway	—	R82.10 with Jumbo Hotfix Take 19 or below	—
checkpoint	Spark Firewalls	—	R80.20.X, R81.10.X, and R82.00.X	—

Weaknesses

CWE-287

References (3)

https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/ [Vendor Advisory]
https://support.checkpoint.com/results/sk/sk185033 [Mitigation, Patch, Vendor Advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-50751 [US Government Resource]

Authoritative record: CVE-2026-50751 at cve.org

Vendors: checkpoint

Weaknesses: CWE-287

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-50751 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.