What is GHSA-59pv-qgfv-jx2f?

GHSA-59pv-qgfv-jx2f is a security advisory published by GitHub Security Advisories with unknown severity. A null pointer dereference vulnerability exists in the server-side session management logic of...

Which CVE IDs does GHSA-59pv-qgfv-jx2f cover?

GHSA-59pv-qgfv-jx2f covers the following CVE IDs: CVE-2026-26456. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-59pv-qgfv-jx2funknown

A null pointer dereference vulnerability exists in the server-side session management logic of...

Vendor

GitHub Security Advisories

Published

August 27, 2026

Last Modified

August 27, 2026

🔗 CVE IDs covered (1)

CVE-2026-26456 →

📋 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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-26456
https://github.com/ipflavors/ccoap
https://github.com/songxpu/bug_report/blob/master/CoAP/ccoap/VULNERABILITY_REPORT5.md
https://github.com/advisories/GHSA-59pv-qgfv-jx2f