Zero-day vulnerability in Oracle Identity Manager Connector

Missing Authentication for Critical Function
CVE-2026-21992

Vulnerability details

Advisory: SB20260422172 - Missing authentication in Oracle Identity Manager and Oracle Web Services Manager

Vulnerable component: Oracle Identity Manager Connector

CVE-ID: CVE-2026-21992

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-306 - Missing Authentication for Critical Function

Description:

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to missing authentication within the REST WebServices component. A remote non-authenticated attacker can send a specially crafted request and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.

External links:

https://www.oracle.com/security-alerts/alert-cve-2026-21992.html

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.