CVE-2026-21962 | Vulnetix

CVE-2026-21962 PUBLISHED CVSS 10 CRITICAL

Reported by oracle · Published January 20, 2026

Vulnerability in the Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: Weblogic Server Proxy Plug-in for Apache HTTP Server, Weblogic Server Proxy Plug-in for IIS). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in. While the vulnerability is in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in accessible data as well as unauthorized access to critical data or complete access to all Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in accessible data. Note: Affected version for Weblogic Server Proxy Plug-in for IIS is 12.2.1.4.0 only. CVSS 3.1 Base Score 10.0 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N).

Risk scores

CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Affected products

Vendor	Product	Versions
Oracle Corporation	Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in	12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0
Oracle Corporation	Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in	12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0
oracle	http_server__oracle_weblogic_server_proxy_plug-in

Timeline

Jan 17, 2026 CVE Published
Jan 20, 2026 PoC Published (116 in total, the first dated here)
Jan 21, 2026 EPSS Score (30 in total, the first dated here)
Feb 10, 2026 VulnCheck KEV Exploitation (6 in total, the first dated here)
Mar 17, 2026 Security Advisory (3 in total, the first dated here)
Mar 22, 2026 Coalition ESS Score (2 in total, the first dated here)
Apr 24, 2026 VulnCheck XDB Entry (2 in total, the first dated here)
Aug 24, 2026 CISA KEV Added

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The same record, from the CLI:

vulnetix vdb vuln CVE-2026-21962
vulnetix vdb fixes CVE-2026-21962

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  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-21962/fixes/registry"

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References

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