CVE-2026-50751 Check Point Security Gateway Improper Authentication
Unauthenticated attackers can bypass user authentication in deprecated IKEv1 to establish remote access VPN connections without valid credentials.
- Exploited in the wild
- Since 8 Jun 2026
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-50751?
CVE-2026-50751 is a critical authentication bypass vulnerability in checkpoint Quantum Security Gateway, published on 8 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-287
Which versions are affected by CVE-2026-50751?
It affects 2 products.
Products include Checkpoint Gaia Embedded, Checkpoint Gaia Os.
How do I fix CVE-2026-50751?
No fix has been published for CVE-2026-50751 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 11 Jun 2026.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-50751 being exploited?
Yes. Attackers have exploited CVE-2026-50751 in the wild since at least 8 Jun 2026, including in ransomware campaigns.
Public exploit code: 1 Nuclei template and 8 proofs of concept on GitHub.
Other vulnerabilities in checkpoint Quantum Security Gateway
Sources
Also known as GHSA-jqxh-x9f5-wcgw.