CVE-2026-30056 Null dereference in n/a
Attackers can cause a Denial of Service in free5gc by sending crafted NGAP messages during RAN connection initialization.
- 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-2026-30056?
CVE-2026-30056 is a high-severity vulnerability in n/a, published on 27 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A NULL pointer dereference in the AMF NGAP Dispatcher component of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via supplying crafted NGAP messages during the initialization of a new RAN connection.
Weakness: CWE-476
Which versions are affected by CVE-2026-30056?
How do I fix CVE-2026-30056?
No fix has been published for CVE-2026-30056 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-30056 being exploited?
There is no known exploitation of CVE-2026-30056 in the wild and no public exploit code.
Sources
Also known as GHSA-x37g-h6m9-3g36.