OCTOBER 10, 2026
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Case File

CVE-2026-91018

HIGH · CVSS 8.8 EPSS 0.24% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-22 · Last synced 2026-10-10

CyberRota Analysis

AI-Generated

lwIP contains a double free vulnerability that can lead to system crashes, denial of service (DoS), memory corruption, or potential code execution on affected systems. Organizations utilizing lwIP in their applications or embedded systems should prioritize addressing this vulnerability due to its high severity and the significant risks it poses to system integrity and availability. Immediate remediation is essential to mitigate potential exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
code execution
GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-91018
Severity
HIGH
CVSS
8.8
EPSS
0.24%

Original NVD Description

lwIP (Lightweight IP) has a double free vulnerability, which could crash the system, cause a DoS, memory corruption, or allow code execution on the victim system.