CVE-2026-93309: DoS (CVSS 4.3)

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.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS — Exploit Prediction

0.0052

Probability of exploitation

0.42%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

CWE-770 CWE-770

References

Other References

https://gist.github.com/fklement/639eb04a12cc5c015f9b960b0de96d80 https://lf-o-ran-sc.atlassian.net/browse/SMO-203 https://vuldb.com/cve/CVE-2026-93309 https://vuldb.com/submit/942312 https://vuldb.com/vuln/406595 https://vuldb.com/vuln/406595/cti

Frequently Asked Questions

What is CVE-2026-93309? +

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. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-93309? +

CVE-2026-93309 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0052, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-93309? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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