CVE-2025-15156 Null dereference in UPF
Remote attackers can cause a denial of service in the omec-project UPF via a null pointer dereference in PFCP session handling.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-15156?
CVE-2025-15156 is a medium-severity vulnerability in omec-project UPF, published on 28 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw has been found in omec-project UPF up to 2.1.3-dev. This affects the function handleSessionEstablishmentRequest of the file /pfcpiface/pfcpiface/messages_session.go of the component PFCP Session Establishment Request Handler. This manipulation causes null pointer dereference. The attack may be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2025-15156?
How do I fix CVE-2025-15156?
No fix has been published for CVE-2025-15156 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-15156 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15156 exists.
Sources
Also known as GHSA-4x7j-66xr-jfqf.