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CVE-2026-60203 Oracle CVE debrief

A high-severity vulnerability was found in Oracle WebLogic Server. This issue, tracked as CVE-2026-60203, has a CVSS 3.1 Base Score of 8.8, indicating a high level of risk. The vulnerability affects multiple versions of Oracle WebLogic Server, including 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. The vulnerability is easily exploitable by a low-privileged attacker with network access via HTTP, potentially leading to a complete takeover of the Oracle WebLogic Server.

Vendor
Oracle
Product
WebLogic Server
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-21
Original CVE updated
2026-07-25
Advisory published
2026-07-21
Advisory updated
2026-07-25

Who should care

Organizations using Oracle WebLogic Server versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0 should prioritize patching this vulnerability. The ease of exploitation and potential for server takeover make this a critical concern for security teams.

Technical summary

CVE-2026-60203 is a vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Defensive priority

High

Recommended defensive actions

  • Apply the latest security patches for Oracle WebLogic Server
  • Restrict network access to the Oracle WebLogic Server
  • Monitor for suspicious activity on the server
  • Consider implementing additional security controls such as multi-factor authentication
  • Perform regular security audits on the Oracle WebLogic Server
  • Implement a web application firewall to protect against potential attacks
  • Keep the Oracle WebLogic Server software up to date with the latest security patches

Evidence notes

The CVE record was published on 2026-07-21T22:17:21.623Z and was last modified on 2026-07-25T05:16:36.447Z. The NVD entry is currently Undergoing Analysis. The vulnerability has a CVSS score of 8.8, indicating a high level of risk.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-21T22:17:21.623Z and has not been modified since then. The NVD entry is currently Undergoing Analysis.