CVE-2026-91843

Critical

Description

A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges.

SeverityCritical
CVSS9.8
Exploit probability—
ProductQuantum Security Management
PublishedSep 16, 2026
First seenSep 16, 2026
Weakness typeCWE-121CWE-121

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
checkpoint Quantum Security ManagementR82.10 with Jumbo Hotfix Take 44 or below, R82 with Jumbo Hotfix Take 126 or below, R81.20 with Jumbo Hotfix Take 166 or below, R81.10 (EOS) with Jumbo Hotfix Take 190 or below, R81 (EOS), R80.40 (EOS), R80.30 (EOS), R80.20 (EOS), R80.10 (EOS), R80 (EOS)—

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