CVE-2026-1739 Free5GC pcf smpolicy.go HandleCreateSmPolicyRequest null pointer dereference
Remote attackers can cause a denial of service in Free5GC PCF via a null pointer dereference in the SM policy handler.
- 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-2026-1739?
CVE-2026-1739 is a medium-severity vulnerability in Free5GC pcf, published on 2 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been found in Free5GC pcf up to 1.4.1. This affects the function HandleCreateSmPolicyRequest of the file internal/sbi/processor/smpolicy.go. The manipulation leads to null pointer dereference. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is df535f5524314620715e842baf9723efbeb481a7. Applying a patch is the recommended action to fix this issue.
Which versions are affected by CVE-2026-1739?
It affects 1 product.
Products include Free5gc Pcf.
How do I fix CVE-2026-1739?
No fix has been published for CVE-2026-1739 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-1739 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1739 exists.
Other vulnerabilities in Free5GC pcf
Sources
Also known as GHSA-659g-9v9q-gq45.