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CVE-2026-91843

9.8 CRITICAL

Published 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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