Memory Allocation Flaw in O-RAN-SC SMO OAM by O-RAN Alliance
CVE-2026-93307

5.3MEDIUM

Key Information:

Vendor

O-ran-sc

Status
Smo Oam
Vendor
CVE Published:
17 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-93307?

A memory allocation vulnerability has been identified in the O-RAN-SC SMO OAM's VES Collector component. The flaw arises from the manipulation of the argument additionalFields.padding, leading to uncontrolled memory allocation. This vulnerability can be exploited remotely, posing significant risks to system integrity and availability. Despite receiving prior notification through a bug report, the project has not yet addressed the issue, leaving it susceptible to potential attacks.

Affected Version(s)

SMO OAM 2025-06-10

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-93307 - Proof of Concept

References

https://vuldb.com/vuln/406593
vdb-entrytechnical-description
https://vuldb.com/vuln/406593/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-93307
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

fklement (VulDB User)
VulDB CNA Team
.