All vulnerabilities
CVE-2026-21962

Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in Improper Access Control Vulnerability

Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-inWeb servers
CVSS
10.0Critical
ExploitationExploited in the wildAdded to KEV 24 Aug 2026CISA KEV
Exploit odds (EPSS)73.2%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline27 Aug 2026Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. CISA KEV
Patching is not enoughCISA requires federal agencies to look for signs of compromise on affected systems, not only patch (forensic triage under BOD 26-04). Treat exposed systems as possibly compromised. CISA guidance

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 20 Jan 2026, 21:56 UTCPublishedCVE List
  2. 24 Aug 2026Added to CISA KEVCISA KEV

Description

Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in contain an improper access control vulnerability that can result in unauthorized creation, deletion or modification access to critical data as well as unauthorized access to critical data or complete access to all Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in accessible data.

Text from CVE List

Affected versions 3

  • Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-inaffected: 12.2.1.4.0CVE List
  • Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-inaffected: 14.1.1.0.0CVE List
  • Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-inaffected: 14.1.2.0.0CVE List

References 6