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CVE-2026-91843

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

Published: Sep 16, 2026Updated: Sep 18, 2026 Sources: CVE List NVDCWE-121
9.8CRITICAL
NVD MITRE
EPSS Score
0.5%
Top 58.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

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

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-121

Affected Products

checkpoint
commercial·ILaka check point firewall-1, checkpoint firewall
Quantum Security Management
Security Products

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://support.checkpoint.com/results/sk/sk1000155
support.checkpoint.com
News mentions
3

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