CVE-2026-91843
CRITICALCVSS 9.8/10
Last modified
CVE-2026-91843 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges..
Description
A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| checkpoint | Quantum Security Management | R82.10 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) |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-91843?
A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges.
How severe is CVE-2026-91843?
CVE-2026-91843 has a CVSS score of 9.8/10 (CRITICAL severity).
How do I fix CVE-2026-91843?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-91843?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST