Resource exhaustion in O-Ran-Sc Smo Oam
CVE-2026-93307
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.005 (45.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- O-Ran-Sc Smo Oam — versions 2025-06-10
Weakness classification (CWE)
References
- vuldb.com/vuln/406593 (technical-description, vdb-entry)
- vuldb.com/vuln/406593/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-93307 (third-party-advisory)
- vuldb.com/submit/942297 (third-party-advisory)
- vuldb.com/submit/942306 (third-party-advisory)
- lf-o-ran-sc.atlassian.net/browse/SMO-201 (related)
- gist.github.com/fklement/1c1ff92588944a021ceb2b5e894973c5 (exploit)
Frequently asked questions
- What is CVE-2026-93307?
- CVE-2026-93307 is a medium-severity vulnerability in O-Ran-Sc Smo Oam, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2026-09-17.
- How severe is CVE-2026-93307?
- Medium severity. CVSS v3 base score is 4.3 out of 10.