Heap-based buffer overflow in Gaia - CVE-2026-48135
Published: May 28, 2026
Vulnerability identifier: #VU132668
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-48135
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Check Point Software Technologies
Affected software:
Gaia
Gaia
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service, inject HTTP headers, or execute arbitrary code.
The vulnerability exists due to heap-based buffer overflow in the HTTP request processing path when processing malformed HTTP requests. A remote attacker can send a specially crafted HTTP request to cause a denial of service, inject HTTP headers, or execute arbitrary code.
The issue affects HTTP-based services such as Mobile Access Portal and Identity Awareness Portals, except for Captive Portal.
How to mitigate CVE-2026-48135
Install security update from vendor's website.