Insikt Group identified 60 high-impact vulnerabilities in June 2026 (a 49% increase from May), with 23 listed in CISA's KEV catalog and 53 having public PoC exploits. The dominant theme was exploitation of externally reachable enterprise applications and appliances by multiple threat actors: StrikeShark chained 13 CVEs to deploy SharkLoader and Cobalt Strike, Lazarus exploited CVE-2025-55182 (React2Shell, CVSS 10.0) to deploy COPPERHEDGE and EtherRAT, APT36 targeted India via Microsoft Office/Windows CVEs, and Qilin ransomware was linked to Check Point gateway exploitation. 25 of the 60 vulnerabilities enabled RCE across 18 vendors, with CWE-22 (Path Traversal) being the most common flaw class.
Check Point
4 posts
June 2026 CVE Landscape Marking Your Own Homework (Check Point Remote Access VPN IKEv1 Authentication Bypass CVE-2026-50751) Check Point Remote Access VPNs are vulnerable to a critical authentication bypass (CVE-2026-50751, CVSS 9.3) within the IKEv1 key exchange process. By sending a crafted 'VPNExtFeatures' Vendor ID payload, an attacker can manipulate the negotiation state to skip certificate signature verification, allowing full network access using only a valid username and the gateway's public ICA organization string.
Cyber Centre Daily Advisory Digest — 2026-06-09 (2 advisories) The Canadian Centre for Cyber Security issued advisories for actively exploited vulnerabilities in Check Point VPN/Firewall products (CVE-2026-50751, an authentication bypass) and Google Chrome (CVE-2026-11645). Both vulnerabilities have known exploits in the wild, with the Check Point flaw added to the CISA KEV database, necessitating immediate patching.
CISA Adds Two Known Exploited Vulnerabilities to Catalog (CVE-2026-42271, CVE-2026-50751) CISA has added CVE-2026-42271 (BerriAI LiteLLM Command Injection) and CVE-2026-50751 (Check Point Security Gateway Improper Authentication) to the Known Exploited Vulnerabilities (KEV) catalog due to active exploitation. Organizations are strongly urged to prioritize remediation of these vulnerabilities to reduce exposure to cyberattacks.