CVE-2026-2062 Open5GS PGW S5U Address sgwc_sxa_handle_session_modification_response null pointer dereference

Medium 6.9 Published 6 Feb 2026 Updated 23 Feb 2026

Remote attackers can cause a denial of service in Open5GS PGW via a null pointer dereference in session modification handling.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-2062?

CVE-2026-2062 is a medium-severity vulnerability in Open5gs Open5gs, published on 6 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was identified in Open5GS up to 2.7.6. This affects the function sgwc_s5c_handle_modify_bearer_response/sgwc_sxa_handle_session_modification_response of the component PGW S5U Address Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The exploit is publicly available and might be used. The identifier of the patch is f1bbd7b57f831e2a070780a7d8d5d4c73babdb59. Applying a patch is the recommended action to fix this issue.

Weakness: CWE-476, CWE-404

Which versions are affected by CVE-2026-2062?

It affects 1 product.

Products include Open5gs Open5gs.

How do I fix CVE-2026-2062?

No fix has been published for CVE-2026-2062 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-2062 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2062 exists.

All Open5gs Open5gs vulnerabilities

Sources

Also known as GHSA-rjm9-mq62-f4fp.