CVE-2026-8252 Open5GS SMF smf_nsmf_handle_create_data_in_hsmf null pointer dereference

Medium 5.3 Published Updated

Remote attackers can cause a denial of service in Open5GS SMF via a null pointer dereference in the session management function.

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-2026-8252?

CVE-2026-8252 is a medium-severity vulnerability in Open5gs Open5gs, published on 10 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function smf_nsmf_handle_create_data_in_hsmf of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-476, CWE-404

Which versions are affected by CVE-2026-8252?

It affects 1 product.

Products include Open5gs Open5gs.

How do I fix CVE-2026-8252?

No fix has been published for CVE-2026-8252 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-8252 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8252 exists.

All Open5gs Open5gs vulnerabilities

Sources

Also known as GHSA-6hj2-qqxq-44pp.

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