--- title: "CVE-2026-91323: Oracle WebLogic Server - Remote Code Execution" description: "Oracle WebLogic Server 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0 contain a remote code execution vulnerability caused by an easily exploitable flaw in the core component, letting unauthenticated attackers with network HTTP access fully compromise the server, exploit requires network access via HTTP." url: https://panop.io/threat-heartbeat/CVE-2026-91323/ --- # CVE-2026-91323 Oracle WebLogic Server - Remote Code Execution Oracle WebLogic Server 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0 contain a remote code execution vulnerability caused by an easily exploitable flaw in the core component, letting unauthenticated attackers with network HTTP access fully compromise the server, exploit requires network access via HTTP. CVSS base score 9.8 /10 Critical CISA KEV Not listed Public exploit None known Authentication Not required [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-91323) ## Details Type Remote Code Execution Impact Remote Code Execution CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Published 20 October 2026 Updated 21 October 2026 ## Vendor fix Update to the latest available version beyond 15.1.1.0.0. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-91323](https://nvd.nist.gov/vuln/detail/CVE-2026-91323) - [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)