PT-2026-47277 · Check Point · Quantum Security Gateway+1

Published 2026-06-08 · Updated 2026-06-08 · CVE-2026-50752

Positive Technologies (AI Summary)

CVSS v3.1

7.4

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions The product name cannot be determined (affected versions not specified)

Description A weakness in the certificate validation logic of the deprecated IKEv1 key exchange allows an unauthenticated man-in-the-middle attacker to bypass certificate validation in VPN site-to-site connections using certificate-based authentication. This could lead to the interception or modification of traffic passing through the VPN tunnel.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2026-50752

Affected Products

Quantum Security Gateway

Spark Firewalls

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-50752 · Security Note
• https://twitter.com/CVEnew/status/2063958158330978620 · Twitter Post
• https://support.checkpoint.com/results/sk/sk185035 · Note
• https://twitter.com/VulmonFeeds/status/2063964831334445395 · Twitter Post