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Vulnerability record · CVE-2026-21992 · published 20 March 2026

CVE-2026-21992: Oracle identity manager missing authentication for critical function vulnerability

Oracle · Identity Manager

Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: REST WebServices) and Oracle Web Services Manager product of Oracle Fusion Middleware (component: Web Services Security). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Identity Manager and Oracle Web Services Manager. Successful attacks of this vulnerability can result in takeover of Oracle Identity Manager and Oracle Web Services Manager. Note: Oracle Web Services Manager is installed with an Oracle Fusion Middleware Infrastructure. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

9.8 CVSS 3.1 Critical EPSS 1.0% · top 38.4% CWE-306 · Missing authentication for critical function
9.8CVSS 3.1 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: REST WebServices) and Oracle Web Services Manager product of Oracle Fusion Middleware (component: Web Services Security). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Identity Manager and Oracle Web Services Manager. Successful attacks of this vulnerability can result in takeover of Oracle Identity Manager and Oracle Web Services Manager. Note: Oracle Web Services Manager is installed with an Oracle Fusion Middleware Infrastructure. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-61757Oracle Identity Manager REST WebServices missing authentication allows takeoverOracle Fusion Middleware Identity Manager exposes a REST WebServices component that fails to require authentication for a critical function (CWE-306)…KEVEPSS 89%analysed10.0CVE-2017-10151Oracle identity manager vulnerabilityVulnerability in the Oracle Identity Manager component of Oracle Fusion Middleware (subcomponent: Default Account). Supported versions that are affec…EPSS 3.9%9.9CVE-2026-61066Oracle identity manager improper access control vulnerabilityVulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI). Supported versions that are affected are…EPSS 0.43%9.9CVE-2026-60720Oracle identity manager missing authentication for critical function vulnerabilityVulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI). Supported versions that are affected are…EPSS 0.43%9.9CVE-2026-35294Oracle identity manager improper access control vulnerabilityVulnerability in the Identity Manager Connector product of Oracle Fusion Middleware (component: Mainframe Connectors). Supported versions that are af…EPSS 0.43%9.9CVE-2026-35268Oracle identity manager improper access control vulnerabilityVulnerability in the Identity Manager product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0 and …EPSS 0.43%9.9CVE-2017-3553Oracle identity manager vulnerabilityVulnerability in the Oracle Identity Manager component of Oracle Fusion Middleware (subcomponent: Rules Engine). The supported version that is affect…EPSS 2.4%9.8CVE-2026-83042Oracle identity manager improper authentication vulnerabilityVulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI). Supported versions that are affected are…EPSS 0.51%

Source: NIST National Vulnerability Database (record CVE-2026-21992), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.