CVE-2026-123039
Published 2026-11-12 · Updated 2026-11-13 · Source cve@checkpoint.com
Summary
CVE-2026-123039 is a high-severity (CVSS 7.8) vulnerability in Check Point Multiple Products. CISA added it to the Known Exploited Vulnerabilities catalog on November 13, 2026, which means exploitation in the wild has been confirmed; US federal agencies must remediate it by November 16, 2026. CISA does not currently list it as used in ransomware campaigns. Check Point has 5 vulnerabilities in the KEV catalog, 2 of them linked to ransomware.
All 5 known-exploited Check Point vulnerabilities →Description
The Gaia OS DynamicCLI daemon runs as root and listens on a world-writable local socket (/tmp/dynamic_socket) without authenticating connecting processes. An authenticated local user can send a command to the socket and have it executed as root.
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Check Point — Multiple Products
Name: Check Point Multiple Products Incorrect Permission Assignment for Critical Resource Vulnerability
Date added: 2026-11-13 · Due: 2026-11-16
Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

