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CVE-2026-21992 - Critical Oracle Remote Code Execution Alert

TETenable Blog
CVE-2026-21992Oracle Identity ManagerOracle Web Services ManagerRemote Code Execution
🎯

Basically, there's a serious flaw in Oracle software that lets attackers run harmful code remotely.

Quick Summary

Oracle has issued a critical alert for CVE-2026-21992, a remote code execution vulnerability. Affected products include Oracle Identity Manager and Web Services Manager. Immediate patching is essential to prevent exploitation.

The Flaw

CVE-2026-21992 is a critical remote code execution vulnerability affecting Oracle Identity Manager and Oracle Web Services Manager. With a CVSSv3 score of 9.8, this vulnerability is particularly dangerous as it can be exploited remotely without requiring any authentication. This means that attackers can potentially take control of affected systems from anywhere in the world.

Oracle's decision to issue an out-of-band security alert highlights the urgency of this issue. Typically, Oracle releases security updates during its quarterly Critical Patch Update cycle. However, this vulnerability warranted immediate attention, especially following the in-the-wild exploitation of a related flaw in November 2025.

What's at Risk

The vulnerability affects key components within Oracle's Fusion Middleware products. Specifically, the REST WebServices component in Oracle Identity Manager and the Web Services Security component in Oracle Web Services Manager are at risk. An unauthenticated attacker exploiting this vulnerability could execute arbitrary code, leading to severe consequences for organizations using these products.

This is not the first time Oracle has faced such issues. Historically, vulnerabilities in Oracle Fusion Middleware have been exploited, making it crucial for users to remain vigilant and proactive in applying security patches.

Patch Status

Oracle has already released patches for the affected versions of both Oracle Identity Manager and Oracle Web Services Manager. The vulnerable versions include:

  • Oracle Identity Manager: 12.2.1.4.0, 14.1.2.1.0
  • Oracle Web Services Manager: 12.2.1.4.0, 14.1.2.1.0

Organizations are encouraged to apply these patches as soon as possible to mitigate the risk posed by CVE-2026-21992. The urgency of this situation cannot be overstated, given the potential for widespread exploitation.

Immediate Actions

If you are using Oracle Identity Manager or Oracle Web Services Manager, take the following steps immediately:

  • Identify affected systems: Use vulnerability scanning tools to identify systems running the vulnerable versions.
  • Apply patches: Ensure that the latest patches from Oracle are applied to all affected systems.
  • Monitor systems: Keep an eye on system logs for any unusual activity that may indicate exploitation attempts.

By taking these proactive measures, organizations can significantly reduce their risk of falling victim to attacks exploiting this critical vulnerability.

🔒 Pro insight: The out-of-band nature of this alert suggests imminent threats; organizations must prioritize patching to avoid exploitation.

Original article from

Tenable Blog · Satnam Narang

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