--- title: "CVE-2026-91502: Oracle WebLogic Server - Broken Access Control" 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 an unauthorized data access and partial denial of service vulnerability caused by network access via TLS, letting unauthenticated attackers modify, read data, and cause partial DoS remotely, exploit requires network access via TLS." url: https://panop.io/threat-heartbeat/CVE-2026-91502/ --- # CVE-2026-91502 Oracle WebLogic Server - Broken Access Control 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 an unauthorized data access and partial denial of service vulnerability caused by network access via TLS, letting unauthenticated attackers modify, read data, and cause partial DoS remotely, exploit requires network access via TLS. CVSS base score 7.3 /10 High CISA KEV Not listed Public exploit None known Authentication Not required [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-91502) ## Details Type Broken Access Control Impact Information Disclosure, Data Tampering, Denial Of Service CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L 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-2026-91502](https://nvd.nist.gov/vuln/detail/CVE-2026-91502) - [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)