CVE-2026-82588 Open5GS Transfer Endpoint namf-handler.c null pointer dereference
Remote attackers can cause a denial of service in Open5GS via a null pointer dereference in the Transfer Endpoint handler.
- 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-2026-82588?
CVE-2026-82588 is a medium-severity vulnerability in Open5GS, published on 30 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was identified in Open5GS up to 2.7.7. This issue affects some unknown processing of the file src/amf/namf-handler.c of the component Transfer Endpoint. Such manipulation leads to null pointer dereference. The attack can be launched remotely. Upgrading to version 2.8.0 is capable of addressing this issue. The name of the patch is abf8a836564b966b5141110fc25ed413c4f17522. Upgrading the affected component is advised.
Which versions are affected by CVE-2026-82588?
How do I fix CVE-2026-82588?
No fix has been published for CVE-2026-82588 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-82588 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82588 exists.
Sources
Also known as GHSA-wg2g-528h-36cm.