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Vulnerability intelligence

CVE-2026-21962: Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in

A sourced defensive profile of CVE-2026-21962 affecting Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in. CVSS 10; CISA KEV addition: 2026-08-24.

Security illustration for CVE-2026-21962 and Oracle
IdentifierCVE-2026-21962
Vendor / productOracle / HTTP Server and Oracle Weblogic Server Proxy Plug-in
Severity scoreCVSS 103.1 · oracle
Added to CISA KEV2026-08-24

A KEV listing indicates evidence of real-world exploitation—not that every installation is compromised. Check your version, configuration and the vendor’s advisory.

Verified reference description

The following technical description is credited to the CISA KEV dataset (CC0):

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.

Record and timeline

  • Product: Oracle — HTTP Server and Oracle Weblogic Server Proxy Plug-in
  • Identifier: CVE-2026-21962
  • CVE record published: 2026-01-20
  • Added to CISA KEV: 2026-08-24
  • Reference score: 10/10, CVSS 3.1; provider: oracle
  • Weakness class: CWE-284

A KEV addition date is not a discovery date. CVSS describes technical severity; actual exposure and asset importance also influence remediation priority.

Defensive next steps

Match the installed Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in version and configuration against the linked technical advisory. Apply the manufacturer-approved fixed release or an explicitly documented mitigation; this profile does not guess a fixed version. Verify the patch and review relevant logs afterward. Plan a supported replacement where the product is end-of-life.

Scope and limitations

This is an awareness and defensive-prioritization profile, not a penetration test or a finding that your network is compromised. KEV membership indicates evidence of real-world exploitation. Mandatory CISA deadlines apply to entities covered by the relevant directive, not universally to every reader.

Reported versions and platforms

The table shows up to ten structured version entries from the official CVE-2026-21962 record. Original field names and values are retained deliberately. This is not an automated exposure verdict or a complete list of every product branch; use the full record and vendor advisory for a deployment decision.

Product in record Platform Version fields — original values Record status
Oracle Corporation — Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in — version=12.2.1.4.0; versionType=semver affected
Oracle Corporation — Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in — version=14.1.1.0.0; versionType=semver affected
Oracle Corporation — Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in — version=14.1.2.0.0; versionType=semver affected

Full record and technical references

Turn the record into an operational decision

For Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in, record the asset, effective version, enabled feature and access path. When the reference does not map clearly to your package or branch, retain an explicit unknown status and assign follow-up rather than guessing that the system is safe.

After remediation, record the effective running version, health-check outcome and change time, not merely installation success. Evidence of compromise requires the appropriate incident-response workflow; this page does not diagnose any network as compromised or clean.

Scoring vector and scope

Vector recorded by the reference: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

CVSS is owned by FIRST and used by permission. The reference score is not a substitute for organizational risk assessment. Version data comes from the record retrieved for this review and may change when sources are updated.

TRACEABLE KNOWLEDGE

Sources & further reading

01
CISA Known Exploited Vulnerabilities — CC0 datahttps://www.cisa.gov/known-exploited-vulnerabilities-catalog
02
CVE Program record — CVE-2026-21962https://www.cve.org/CVERecord?id=CVE-2026-21962
03
CVSS 3.1 — oraclehttps://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/21xxx/CVE-2026-21962.json
04
اطلاعیهٔ فنی / Technical advisoryhttps://www.oracle.com/security-alerts/cpujan2026.html
05
FIRST CVSS specification — metric definitionshttps://www.first.org/cvss/v3.1/specification-document

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