CVE-2026-93309 O-RAN-SC SMO OAM VES Collector allocation of resources
Remote attackers can cause resource exhaustion in the O-RAN-SC SMO OAM VES Collector, leading to denial of service.
- 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-2026-93309?
CVE-2026-93309 is a medium-severity denial of service vulnerability in O-RAN-SC SMO OAM, published on 17 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was determined in O-RAN-SC SMO OAM 2025-06-10. Affected by this issue is some unknown functionality of the component VES Collector. Executing a manipulation can lead to allocation of resources. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through a bug report but has not responded yet.
Which versions are affected by CVE-2026-93309?
How do I fix CVE-2026-93309?
No fix has been published for CVE-2026-93309 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-93309 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-93309 exists.
Sources
Also known as GHSA-g5x6-j98r-mr3c.