Denial of Service Vulnerability in Open5GS AUSF Component
CVE-2026-8745

5.3MEDIUM

Key Information:

Vendor: Open5GS
Status: Open5gs
Vendor: CVE Published:; 17 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8745?

A vulnerability has been identified in the Open5GS AUSF component, affecting versions up to 2.7.7. This issue arises within the ogs_timer_add function located in the /src/ausf/nausf-handler.c file, which can lead to a denial of service. The attack can be exploited remotely, and public exploit details may facilitate such attacks. Despite early notification to the project maintainers regarding this issue, no response has been recorded to address the vulnerability, raising significant security concerns for users relying on this product.

Affected Version(s)

Open5GS 2.7.0

Open5GS 2.7.1

Open5GS 2.7.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-8745 - Proof of Concept