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CVE-2026-18574 is a critical authentication bypass vulnerability affecting Check Point Security Management Server and Multi-Domain Security Management Server (MDS). The flaw allows an unauthenticated remote attacker with network access to exposed management services to bypass management authentication and execute arbitrary commands on the Security Management Server. Successful exploitation can result in full compromise of the security management environment. Affected deployments include supported branches R81.20, R82, and R82.10 prior to the fixed Jumbo Hotfix Accumulator levels, as well as older end-of-support releases from R80 through R81.10. The issue is classified as CWE-288 and has been described as remotely exploitable with low attack complexity, no privileges required, and no user interaction required.
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Authentication bypass leading to arbitrary command execution in Check Point Security Management Server and Multi-Domain Security Management Server, enabling full compromise of the security management system.
Critical authentication bypass vulnerability in Check Point Security Management Server and Multi-Domain Security Management Server (MDS) that allows an unauthenticated network attacker to bypass management authentication and execute arbitrary commands on the affected system.
An authentication bypass vulnerability affecting Check Point Multi-Domain Security Management Server (MDS) and Security Management Server across multiple R80, R81, R82, and R82.10 versions, with exposure tied to specific Jumbo Hotfix Accumulator take levels.
A high-severity authentication bypass vulnerability in Check Point Security Management Server and Multi-Domain Security Management Server that allows an unauthenticated network attacker to bypass management authentication and execute arbitrary commands, potentially leading to full takeover of the Security Management environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.