CVE-2026-21962 KEV
Patch first
On CISA KEV — known exploited in the wild, due 2026-08-27.
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).
Scoring
| CVSS | 10.0 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N |
| EPSS | 70.92% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-284 |
| On CISA KEV | yes — remediate by 2026-08-27 |
| Public exploit | none known |
| Published | 2026-01-20 |
| Last modified | 2026-08-25 |
CISA KEV
| Name | Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in Improper Access Control Vulnerability |
|---|---|
| Added | 2026-08-24 |
| Due | 2026-08-27 |
| Vendor / product | Oracle / HTTP Server and Oracle Weblogic Server Proxy Plug-in |
| Ransomware use | none reported |
Affected (2)
| Vendor | Product |
|---|---|
| oracle | http server |
| oracle | weblogic server proxy plug-in |
References
- https://www.oracle.com/security-alerts/cpujan2026.html
- https://github.com/Ashwesker/Ashwesker-CVE-2026-21962/issues/1
- https://web.archive.org/web/20260129165916/https://github.com/Ashwesker/Ashwesker-CVE-2026-21962/issues/1
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21962
- https://x.com/0xacb/status/2015473216844620280
→ the Explorer · watch your stack · NVD