CVE-2026-21962

CVE Enrichment

CVSS: 10.0 CRITICAL
EPSS: 73.19%
EPSS Percentile: 99.45%
CISA KEV: YES — Known Exploited Vulnerability

Description

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).

Technical Details

CVSS Version: 3.1
CNA / NVD Source: secalert_us@oracle.com
Published: 21-Jan-2026 05:15
Last Modified: 25-Aug-2026 11:18
EPSS Date: 2026-10-12
CWE: CWE-284

CVSS Vector


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

CISA KEV Details

Date Added: 2026-08-24
Remediation Due: 2026-08-27
Known Ransomware Campaign Use: Unknown
Required Action: 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.
Notes: https://www.oracle.com/security-alerts/cpujan2026.html ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-21962

Affected Products / Versions

oracle / http_server
Version / affected range: 12.2.1.4.0
cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*
oracle / http_server
Version / affected range: 14.1.1.0.0
cpe:2.3:a:oracle:http_server:14.1.1.0.0:*:*:*:*:*:*:*
oracle / http_server
Version / affected range: 14.1.2.0.0
cpe:2.3:a:oracle:http_server:14.1.2.0.0:*:*:*:*:*:*:*
oracle / weblogic_server_proxy_plug-in
Version / affected range: 12.2.1.4.0
cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:12.2.1.4.0:*:*:*:*:*:*:*
oracle / weblogic_server_proxy_plug-in
Version / affected range: 14.1.1.0.0
cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:14.1.1.0.0:*:*:*:*:*:*:*
oracle / weblogic_server_proxy_plug-in
Version / affected range: 14.1.2.0.0
cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:14.1.2.0.0:*:*:*:*:*:*:*

References

Last enrichment sync: 12-Oct-2026 21:51
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (2)

CVE-2026-21962 Recorded Future Identifies 73 High-Impact Vulnerabilities in August, 70 Actively Exploited
of the newly disclosed, critical unauthenticated Remote Code Execution (RCE) vulnerability, CVE-2026-21962 (CVSS: 10.0). Attack attempts targeting this zero-day-like flaw were observed immediately following WebLogic Honeypot Study Records Rapid Exploitation Attempts Against CVE-2026-21962

CVE (75)

Malware (4)

Threat Actors (1)

Vendors (31)

Products (23)

Tools (9)

Countries (4)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.