SEPTEMBER 18, 2026
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Case File

CVE-2026-26456

HIGH · CVSS 7.5 EPSS 0.27% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-27 · Last synced 2026-09-18

CyberRota Analysis

AI-Generated

A null pointer dereference vulnerability in the server-side session management of F5's ccoap can be exploited due to a race condition between the request dispatch and session cleanup threads, leading to potential application crashes or denial of service. Organizations using affected F5 products should prioritize addressing this vulnerability to maintain service reliability and prevent disruptions in session handling.

Public Exploit Signal

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

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

CVE
CVE-2026-26456
Severity
HIGH
CVSS
7.5
EPSS
0.27%
F5

Original NVD Description

A null pointer dereference vulnerability exists in the server-side session management logic of ccoap 77f55c4b466e99327c24ace8a2913d3ba7e2ccd5. The issue is caused by a race condition between the request dispatch thread and the session cleanup thread when accessing shared session list nodes without proper synchronization.