CVE-2026-8783 omec-project amf dispatcher.go UERadioCapabilityCheckResponse null pointer dereference
Remote attackers can cause a denial of service via null pointer dereference in the AMF dispatcher, requiring an upgrade to the latest version.
- 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-2026-8783?
CVE-2026-8783 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 vulnerability has been detected in omec-project amf up to 2.1.3-dev. This impacts the function UERadioCapabilityCheckResponse of the file ngap/dispatcher.go. Such manipulation leads to null pointer dereference. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.2.0 will fix this issue. Upgrading the affected component is advised. The same pull request fixes multiple security issues.
Which versions are affected by CVE-2026-8783?
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-2026-8783?
Upgrade github.com/omec-project/amf to 2.2.0 or later.
Is CVE-2026-8783 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8783 exists.
Sources
Also known as GHSA-6v92-ph9p-hrpc, GO-2026-5190.