CVE-2026-91843
9.8 CRITICALPublished 2026-09-16 · Updated 2026-09-18
AI risk analysis
- Summary
- The flaw allows an attacker to cause a stack overflow during unauthenticated login, potentially leading to remote code execution with root privileges.
- Exploitability
- Exploitation is relatively straightforward given the lack of authentication required and high severity CVSS score.
- Blast radius
- If exploited, this vulnerability could result in complete system compromise affecting all users on the network.
- Prioritized remediation
- Implement strict authentication mechanisms during login processes to prevent unauthenticated access and stack overflow attacks.
rceauth-bypassremote-exploitcritical
Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.
NVD description
A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-121
All references
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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