Oracle Security Alert Advisory – CVE-2026-91403
Oracle has issued a security alert regarding vulnerability CVE-2026-91403. The company advises customers to upgrade to supported versions to ensure they are protected by the latest security patches.
Why it matters
Timely patching of enterprise software is essential to prevent large-scale data breaches and cyberattacks.
Menu QUICK LINKS Cloud Database Java AI SUGGESTED LINKS SUGGESTED SEARCHES Country Back Cloud Account Sign in to Cloud Sign Up for Free Cloud Tier Oracle Account Sign-In Create an Account Help Sign Out Oracle Security Alert Advisory - CVE-2026-91403 Description
Security vulnerabilities addressed by this Security Alert affect the products listed below.
Please click on the links in the Patch Availability Document column below to access the documentation for patch availability information and installation instructions.
Patches released through the Security Alert program are provided only for product versions that are covered under the Premier Support or Extended Support phases of the Lifetime Support Policy . Oracle recommends that customers plan product upgrades to ensure that patches released through the Security Alert program are available for the versions they are currently running.
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