CVE-2026-61223: oracle corporation oracle communications converged application server Improper Access Control

Vulnerability summary

CVE-2026-61223 is a critical (CVSS 9.0) Improper Access Control vulnerability in oracle corporation oracle communications converged application server. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.8% of scored vulnerabilities.

Timeline

1. 21-07-2026
   PublishedVulnerability first disclosed.
2. 22-07-2026
   Last modifiedVulnerability information updated.

Description

Vulnerability in the Oracle Communications Converged Application Server product of Oracle Communications (component: Security). Supported versions that are affected are 8.2 and 8.3. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TCP/IP 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 9.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H).

• CWE-284Improper Access ControlThe product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.