CVE-2026-8781 omec-project amf handler.go RANConfiguration null pointer dereference
Remote attackers can cause a denial of service via null pointer dereference in the RANConfiguration handler of the omec-project AMF.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-8781?
CVE-2026-8781 is a medium-severity vulnerability in omec-project amf, published on 18 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security flaw has been discovered in omec-project amf up to 2.1.3-dev. The impacted element is the function RANConfiguration of the file ngap/handler.go. The manipulation results in null pointer dereference. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.2.0 is sufficient to resolve this issue. Upgrading the affected component is recommended. The same pull request fixes multiple security issues.
Which versions are affected by CVE-2026-8781?
3 open source packages ship an affected version, including github.com/omec-project/amf.
| Package | Affected | Fixed in |
|---|---|---|
github.com/omec-project/amf Go | All versions | None |
github.com/omec-project/amf Go | All versions | 2.2.0 |
github.com/omec-project/amf Go | All versions | 2.2.0 |
How do I fix CVE-2026-8781?
Upgrade github.com/omec-project/amf to 2.2.0 or later.
Is CVE-2026-8781 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8781 exists.
Sources
Also known as GHSA-4qf2-p32m-7hmf, GO-2026-5130.