SB2026091069 - Two remote code execution vulnerabilities in Check Point Gaia
Published: September 10, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Improper Certificate Validation (CVE-ID: CVE-2026-85102)
CWE-ID: CWE-295 - Improper Certificate Validation
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to improper validation of certificate data in the Remote Access and Site-to-Site VPN functionality when negotiating VPN connections. A remote attacker can send specially crafted certificate data during VPN negotiation to execute arbitrary code.
2) Heap-based buffer overflow (CVE-ID: CVE-2026-85103)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to a heap-based buffer overflow in the VPN certificate ASN.1 decoding flow when decoding VPN certificates. A remote attacker can send a crafted VPN certificate to execute arbitrary code.
Remediation
Install update from vendor's website.