CVE-2026-61223 Auth bypass in Oracle Communications Converged Application Server
Unauthenticated attackers can take over the Oracle Communications Converged Application Server via network access, leading to full system compromise.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-61223?
CVE-2026-61223 is a critical authentication bypass vulnerability in Oracle Communications Converged Application Server, published on 21 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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).
Weakness: CWE-284
Which versions are affected by CVE-2026-61223?
It affects 1 product.
Products include Oracle Communications Converged Application Server.
How do I fix CVE-2026-61223?
No fix has been published for CVE-2026-61223 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-61223 being exploited?
There is no known exploitation of CVE-2026-61223 in the wild and no public exploit code.
Other vulnerabilities in Oracle Communications Converged Application Server
- CVE-2023-21890 Code injection in Communications Converged Application Server
- CVE-2026-61225 Auth bypass in Oracle Communications Converged Application Server
- CVE-2026-61224 Auth bypass in Oracle Communications Converged Application Server
- CVE-2026-61226 Privilege escalation in Oracle Communications Converged Application Server
Sources
Also known as GHSA-f5wj-332h-xrj5.