CVE-2026-82589 Open5GS N1-N2 Message namf-handler.c amf_namf_comm_handle_n1_n2_message_transfer denial of service
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-82589?
CVE-2026-82589 is a medium-severity vulnerability in Open5GS, published on 30 Aug 2026.
Official description
A security flaw has been discovered in Open5GS up to 2.7.7. Impacted is the function amf_namf_comm_handle_n1_n2_message_transfer of the file src/amf/namf-handler.c of the component N1-N2 Message Handler. Performing a manipulation of the argument N1N2MessageTransferReqData.n2InfoContainer.smInfo.n2InfoContent.ngapIeType results in denial of service. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.8.0 is recommended to address this issue. The patch is named abf8a836564b966b5141110fc25ed413c4f17522. It is advisable to upgrade the affected component.
Weakness: CWE-404
Which versions are affected by CVE-2026-82589?
How do I fix CVE-2026-82589?
No fix has been published for CVE-2026-82589 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-82589 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82589 exists.
Sources
Also known as GHSA-fgf3-pjr9-qfrf.