{"id":"CVE-2026-87302","published":"2026-10-20T22:20:07Z","modified":"2026-10-30T04:18:27Z","title":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core)","vendor":"Oracle Corporation","product":"Oracle WebLogic Server","tier":"core","eol":null,"description":{"text":"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 unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle WebLogic Server accessible data as well as  unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).","provenance":"source","from":"NVD"},"summary":{"text":"A flaw in the Core component of Oracle WebLogic Server, part of Oracle Fusion Middleware, affects supported versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. An unauthenticated attacker with network access over HTTP can exploit it with low complexity and no user interaction, gaining unauthorized creation, deletion or modification of critical data, as well as unauthorized access to critical data or to all data accessible to WebLogic Server.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:19:45Z"},"cvss":{"score":9.1,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","provenance":"source","from":"NVD"},"epss":{"score":0.00416,"percentile":0.35913,"date":"2026-10-30","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":6,"pulses":[{"name":"Known_Cve | Oct 29, 2026 | Part 1/3","url":"https://otx.alienvault.com/pulse/6ae20c23cd267c7cddd4e545","created":"2026-10-28"},{"name":"Known_Cve | Oct 28, 2026 | Part 1/3","url":"https://otx.alienvault.com/pulse/6ae0ba88997d8920e9952075","created":"2026-10-27"},{"name":"Known_Cve | Oct 27, 2026 | Part 2/3","url":"https://otx.alienvault.com/pulse/6adf68c4585d98c8d3af5bea","created":"2026-10-26"},{"name":"Known_Cve | Oct 24, 2026 | Part 2/3","url":"https://otx.alienvault.com/pulse/6adb741adaae4be68dd04fea","created":"2026-10-23"},{"name":"Known_Cve | Oct 23, 2026 | Part 3/3","url":"https://otx.alienvault.com/pulse/6ada23844cb3f14c39a33102","created":"2026-10-22"},{"name":"Known_Cve | Oct 22, 2026 | Part 4/4","url":"https://otx.alienvault.com/pulse/6ad8d3528b43fc2ec5b04a43","created":"2026-10-21"}],"provenance":"machine"},"cwes":[{"id":"CWE-287","name":"Improper Authentication"},{"id":"CWE-306","name":"Missing Authentication for Critical Functionality"}],"references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-106343","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-106343","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-20","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87302","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":15.5,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":7.18,"detail":"percentile 0.3591"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":1.92,"detail":"6 pulses"},{"name":"CVSS severity","points":6.37,"detail":"base score 9.1"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"familyId":"fam-class-oracle-weblogic-server-cwe-306"}}