Improper input validation in Oracle Communications Cloud Native Core Policy - CVE-2026-21452

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Main Vulnerability Database Vulnerabilities #VU126717

Improper input validation in Oracle Communications Cloud Native Core Policy - CVE-2026-21452

Published: April 22, 2026


Vulnerability identifier: #VU126717
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-21452
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Oracle
Affected software:
Oracle Communications Cloud Native Core Policy

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Configuration (MessagePack) component in Oracle Communications Cloud Native Core Policy. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.


How to mitigate CVE-2026-21452

Install updates from vendor's website.

Sources