Improper input validation in Communications Unified Assurance - CVE-2026-84939

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Main Vulnerability Database Vulnerabilities #VU163352

Improper input validation in Communications Unified Assurance - CVE-2026-84939

Published: November 10, 2026


Vulnerability identifier: #VU163352
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-84939
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper input validation within the Core (Apache FreeMarker) component in Oracle Communications Unified Assurance. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


Affected software

Communications Unified Assurance
Oracle Communications Cloud Native Core Console

How to mitigate CVE-2026-84939

Install updates from vendor's website.


External References

Related Security Bulletins