Vulnerability in VPN Processing Service for Check Point Security Gateway
CVE-2026-48132

8.1HIGH

Key Information:

Vendor

Checkpoint
Status
Quantum Security Gateway
Vendor
CVE Published:
26 May 2026

What is CVE-2026-48132?

The Check Point Security Gateway is affected by a flaw that fails to adequately validate length values in specific IKE packets when utilizing NAT-T. This vulnerability allows attackers to exploit crafted or malformed packets, leading to unexpected terminations of the VPN processing service. A successful attack results in a denial of service condition, interrupting VPN negotiations and traffic, ultimately compromising network connectivity.

Affected Version(s)

Quantum Security Gateway R82.10 with Jumbo Hotfix Take 6 or below

Quantum Security Gateway R82 with Jumbo Hotfix Take 91 or below

Quantum Security Gateway R81.20 with Jumbo Hotfix Take 127 or below

References

https://support.checkpoint.com/results/sk/sk184982

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.