PT-2026-43239 · Check Point · Quantum Security Gateway

Published 2026-05-26 · Updated 2026-05-26 · CVE-2026-48135

Mitre

CVSS v3.1

5.3

Medium

Base vector

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

A Check Point HTTP-based service can incorrectly handle malformed HTTP requests. The issue is related to HTTP request parsing and validation.

Fix

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2026-48135

Affected Products

Quantum Security Gateway

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-48135 · Security Note
• https://support.checkpoint.com/results/sk/sk184991 · Note