CVE-2026-93307 O-RAN-SC SMO OAM VES Collector memory allocation
Remote attackers can cause denial of service in O-RAN SMO OAM VES Collector via uncontrolled memory allocation in additionalFields.padding.
- 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-2026-93307?
CVE-2026-93307 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 has been found in O-RAN-SC SMO OAM 2025-06-10. Affected is an unknown function of the component VES Collector. Such manipulation of the argument additionalFields.padding leads to uncontrolled memory allocation. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through a bug report but has not responded yet.
Which versions are affected by CVE-2026-93307?
How do I fix CVE-2026-93307?
No fix has been published for CVE-2026-93307 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-2026-93307 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-93307 exists.
Sources
Also known as GHSA-g643-hjfx-77g7.