CVE-2026-60420: Oracle Unified Directory unauthorized data access in OUD Core

CVE-2026-60420 · Severity: high · CVSS 8.5 · Published 2026-07-21

Oracle Unified Directory, a central service used for managing user identities and directory information, contains a vulnerability that allows an attacker to access or modify sensitive data. An individual with basic user credentials could exploit this over the network to gain unauthorized access to critical information or disrupt directory services. Because this component often integrates with other corporate systems, a successful attack could also impact the security of connected applications and services.

Technologies: Oracle Unified Directory. Vendors: Oracle.

Quick answers

Is CVE-2026-60420 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-60420 being exploited in the wild.
How severe is CVE-2026-60420?
High severity, with a CVSS score of 8.5, published 21 July 2026.
Which products and versions are affected?
Oracle Unified Directory 12.2.1.4.0, 14.1.2.1.0.
Is there a fix for CVE-2026-60420?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-60420 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-60420?
Check whether you run Oracle Unified Directory at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A vulnerability exists in the OUD Core component of Oracle Unified Directory (versions 12.2.1.4.0 and 14.1.2.1.0). The flaw is categorized by a scope change (S:C), meaning an exploit can impact components beyond the immediate security scope of the OUD Core. An attacker with low-privileged credentials can exploit this vulnerability over the network via the LDAP protocol. Successful exploitation can lead to unauthorized read access to all directory data (Confidentiality: High) and unauthorized modification, insertion, or deletion of certain data (Integrity: Low). Users are advised to refer to the Oracle Critical Patch Update for July 2026 for remediation guidance.

Affected products

  • Oracle Unified Directory 12.2.1.4.0, 14.1.2.1.0

Timeline

  • 2026-07-21: disclosed
  • 2026-07-21: advisory: Oracle July 2026 Critical Patch Update published

References

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