by Kastro
Paper/Archive/CVE-2026-91843

CVE-2026-91843

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

EPSS 0.5%CVSS 9.8
critical.is priorityof 100
38
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 44.1.441 × 208.8No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

Affected

ProductAffectedFixed inSource
Quantum Security ManagementR82.10 with Jumbo Hotfix Take 44 or below–CNA
Quantum Security ManagementR82 with Jumbo Hotfix Take 126 or below–CNA
Quantum Security ManagementR81.20 with Jumbo Hotfix Take 166 or below–CNA
Quantum Security ManagementR81.10 (EOS) with Jumbo Hotfix Take 190 or below–CNA
Quantum Security ManagementR81 (EOS)–CNA
Quantum Security ManagementR80.40 (EOS)–CNA
Quantum Security ManagementR80.30 (EOS)–CNA
Quantum Security ManagementR80.20 (EOS)–CNA
Quantum Security ManagementR80.10 (EOS)–CNA
Quantum Security ManagementR80 (EOS)–CNA

Scores by source

checkpoint (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refsupport.checkpoint.com/results/sk/sk1000155