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CVE-2026-50751: Check Point Security Gateway Improper Authentication Vulnerability

criticalknown exploitedpublic exploitCVE-2026-50751
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Check Pointproduct: Security GatewayAuthentication bypass
What
The vulnerability allows unauthenticated remote attackers to bypass user authentication during IKEv1 key exchange.
Who is affected
Users of Check Point Security Gateway with IKEv1 enabled.
Urgency
Immediate action is required as the vulnerability is actively exploited and rated critical.
Action
Apply the latest security patch provided by Check Point.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2026-06-08
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-50751

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-50751coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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