SecurityWeekpublished Aug 25, 2026TLP AMBERCorroborated brief
CISA Warns of Exploited Oracle WebLogic Vulnerability
Brief status
Corroborated brief
Evidence records
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Corroborated brief
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Finding
indicator:4113203:description
What happened
NVD describes CVE-2026-21962 as: 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).
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Impact
indicator:4113203:cvsscisa-kev:CVE-2026-21962
Why it matters
NVD assigns CVE-2026-21962 a CVSS base score of 10.0. CISA lists CVE-2026-21962 in the Known Exploited Vulnerabilities catalog.
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Scope
indicator:4113203:products
Affected systems and entities
The structured record identifies affected product references for CVE-2026-21962: HTTP Server and Oracle Weblogic Server Proxy Plug-in, cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*, cpe:2.3:a:oracle:http_server:14.1.1.0.0:*:*:*:*:*:*:*, cpe:2.3:a:oracle:http_server:14.1.2.0.0:*:*:*:*:*:*:*.
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Action
cisa-kev:CVE-2026-21962:required_action
What defenders should do
Apply 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.
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rights & provenance
PublisherSecurityWeek
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CapturedAug 25, 2026
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