CVE-2026-91843

Stack overflow in login process to the Security Management and Log Servers

State: Published
Severity: 9.8 Critical
Published: Sep 16, 2026
Updated: Sep 17, 2026
Reserved: Sep 15, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	checkpoint

Weaknesses

CWE-121 Stack-based Buffer Overflow.

Affected Products

Product	Versions
Quantum Security Managementcheckpoint	R82.10 with Jumbo Hotfix Take 44 or belowAffected R82 with Jumbo Hotfix Take 126 or belowAffected R81.20 with Jumbo Hotfix Take 166 or belowAffected R81.10 (EOS) with Jumbo Hotfix Take 190 or belowAffected R81 (EOS)Affected R80.40 (EOS)Affected R80.30 (EOS)Affected R80.20 (EOS)Affected R80.10 (EOS)Affected R80 (EOS)Affected

References

https://support.checkpoint.com/results/sk/sk1000155

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