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U.S. CISA adds maximum-severity Oracle flaw to its Known Exploited Vulnerabilities catalog

Security Affairs
Actively Exploited
CVEExploitVulnerabilityCriticalOracle

Overview

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a serious vulnerability in Oracle's HTTP Server and Weblogic Server Proxy Plug-in to its Known Exploited Vulnerabilities catalog. This flaw, identified as CVE-2026-21962, carries a maximum severity score of 10.0, indicating it is a critical risk for users. The vulnerability allows unauthenticated attackers to exploit the affected systems, which could potentially lead to unauthorized access and control. Organizations using these Oracle products should take immediate action to assess their systems and implement necessary security measures to mitigate this risk. The inclusion in CISA's catalog suggests that this vulnerability is being actively targeted by malicious actors, making swift remediation essential.

Key Takeaways

  • Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
  • Affected Systems: Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in
  • Action Required: Users are advised to apply the latest security patches provided by Oracle for the affected products.
  • Timeline: Newly disclosed

Original Article Summary

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Oracle flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added an Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in flaw, tracked as CVE-2026-21962 (CVSS score of 10,0), to its Known Exploited Vulnerabilities (KEV) catalog. CVE-2026-21962 is a critical, unauthenticated vulnerability […]

Impact

Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Users are advised to apply the latest security patches provided by Oracle for the affected products. Additionally, organizations should review their configurations and access controls to limit exposure to this vulnerability.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Exploit, Vulnerability, and 2 more.

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