CVE-2026-61226 in Communications Converged Application Server
Summary
by MITRE • 07/22/2026
Vulnerability in the Oracle Communications Converged Application Server product of Oracle Communications (component: RTP Proxy). The supported version that is affected is 8.3. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle Communications Converged Application Server executes to compromise Oracle Communications Converged Application Server. While the vulnerability is in Oracle Communications Converged Application Server, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Communications Converged Application Server. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 07/22/2026
This vulnerability exists within the Oracle Communications Converged Application Server RTP Proxy component version 8.3, representing a significant security risk that can be exploited by attackers with elevated privileges. The vulnerability is classified as difficult to exploit due to its requirement for an attacker to first establish a logon session on the infrastructure where the application server operates. This prerequisite aligns with ATT&CK technique T1078.004 for valid accounts and reflects the need for initial access before the actual exploitation can occur. The CVSS 3.1 base score of 7.5 indicates a high-severity vulnerability that affects confidentiality, integrity, and availability simultaneously, demonstrating the comprehensive impact this flaw can have on system security.
The technical nature of this vulnerability stems from the RTP Proxy component within the Oracle Communications Converged Application Server, which handles real-time transport protocol operations for voice and video communications. This component typically manages media streams and signaling for converged communication services, making it a critical element in telecommunications infrastructure. The flaw allows an attacker with high-privileged access to potentially compromise the entire application server instance, indicating a potential privilege escalation or lateral movement capability within the system architecture. The scope change aspect of this vulnerability means that successful exploitation could extend beyond the immediate target to impact additional Oracle Communications products, suggesting architectural dependencies or shared components that create cascading security implications.
The operational impact of this vulnerability is substantial as it could lead to complete takeover of the Oracle Communications Converged Application Server, potentially resulting in unauthorized access to voice and video communication services. This compromise would likely enable attackers to intercept communications, manipulate media streams, or disrupt service availability for critical telecommunications infrastructure. The high confidentiality, integrity, and availability impacts reflect the severe consequences of such a breach within enterprise communication environments where these systems typically handle sensitive business communications and customer data. Organizations relying on this platform may face regulatory compliance issues and potential service disruptions that could affect their operational continuity.
Mitigation strategies should focus on immediate access controls and network segmentation to limit the attack surface for privileged accounts. Implementing principle of least privilege access restrictions and regular credential rotation can reduce the likelihood of exploitation by limiting attacker access to the target infrastructure. Network-level protections including firewall rules, intrusion detection systems, and monitoring solutions should be deployed to detect anomalous behavior in RTP Proxy operations. Organizations should also consider implementing additional logging and audit capabilities specifically for the RTP Proxy component to enable better threat detection. The vulnerability's CVSS vector indicates that while it requires high privileges and somewhat complex exploitation conditions, the potential impact makes it critical to address through comprehensive security measures including patch management, regular security assessments, and adherence to security frameworks such as those outlined in the CWE catalog for software security weaknesses related to privilege escalation and access control mechanisms.