Not rated
CVE-2026-50751 Check Point Security Gateway Improper Authentication Vulnerability
Active exploitation observed
· CISA KEV catalogue
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.
Ransomware campaigns
Known to be used
Weakness
CWE-287
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Quantum Security Gateway | Versions not published | |
| Spark Firewalls | Versions not published |
Other CVEs of Quantum Security Gateway
The 10 CVEs of Quantum Security Gateway →
CVE-2026-85103
A heap-based buffer overflow in VPN certificate ASN.1 decoding may allow an unauthenticated remote attacker to execute…
9.8
Critical
CVE-2026-85102
Check Point Multiple Products Improper Certificate Validation Vulnerability
9.8
Critical
CVE-2026-62145
A vulnerability in Check Point Gaia Portal allows an authenticated attacker with read-only Gaia Portal privileges to…
7.5
High
CVE-2026-50752
A weakness in the certificate validation logic of the deprecated IKEv1 key exchange may allow an unauthenticated…
7.4
High