Risk Letters

Exploited vulnerability

CVE-2026-21962

TLP:CLEAR

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

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.

Facts

  • Vendor: Oracle
  • Product: HTTP Server and Oracle Weblogic Server Proxy Plug-in
  • CVSS: 10
  • EPSS (probability of exploitation within 30 days): 73.2 %
  • On CISA's Known Exploited Vulnerabilities list since: 24 August 2026
  • First known exploitation: 24 August 2026
  • CISA's deadline for US federal agencies: 27 August 2026
  • Weakness: CWE-284
  • First seen by Risk Letters: 25 August 2026

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD