CVE-2026-10565 Open5GS NGAP Handover gmm-sm.c gmm_state_security_mode race condition
A remote attacker can exploit a race condition in Open5GS NGAP Handover to cause a denial of service, requiring high complexity.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-10565?
CVE-2026-10565 is a low-severity vulnerability in Open5GS, published on 2 Jun 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 Open5GS up to 2.7.6. The impacted element is the function gmm_state_security_mode of the file src/amf/gmm-sm.c of the component NGAP Handover. Performing a manipulation results in race condition. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is regarded as difficult. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.
Weakness: CWE-362
Which versions are affected by CVE-2026-10565?
How do I fix CVE-2026-10565?
No fix has been published for CVE-2026-10565 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-10565 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10565 exists.
Sources
Also known as GHSA-94vg-m7v6-9c25.