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    CVE-2026-91319

    Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Java Business Objects). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle JDeveloper. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle JDeveloper accessible data. CVSS 3.1 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

    Published:Oct 20, 2026
    Last Modified:Oct 28, 2026
    EPS:Oct 20, 2026
    EPSS Score:0.00266
    CVSS Score:5.9

    Affected Products

    Vendor
    Oracle
    Product
    Jdeveloper

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-114 Authentication Abuse
    CAPEC-115 Authentication Bypass
    CAPEC-151 Identity Spoofing
    CAPEC-19 Embedding Scripts within Scripts
    CAPEC-194 Fake the Source of Data
    CAPEC-22 Exploiting Trust in Client
    CAPEC-441 Malicious Logic Insertion
    CAPEC-478 Modification of Windows Service Configuration
    CAPEC-479 Malicious Root Certificate
    CAPEC-502 Intent Spoof
    CAPEC-503 WebView Exposure
    CAPEC-536 Data Injected During Configuration
    CAPEC-546 Incomplete Data Deletion in a Multi-Tenant Environment
    CAPEC-550 Install New Service
    CAPEC-551 Modify Existing Service
    CAPEC-552 Install Rootkit
    CAPEC-556 Replace File Extension Handlers
    CAPEC-558 Replace Trusted Executable
    CAPEC-562 Modify Shared File
    CAPEC-563 Add Malicious File to Shared Webroot
    CAPEC-564 Run Software at Logon
    CAPEC-57 Utilizing REST's Trust in the System Resource to Obtain Sensitive Data
    CAPEC-578 Disable Security Software
    CAPEC-593 Session Hijacking
    CAPEC-633 Token Impersonation
    CAPEC-650 Upload a Web Shell to a Web Server
    CAPEC-94 Adversary in the Middle (AiTM)

    Related CVEs

    CVE-2026-91322 (CVSS 3.3) — Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Oracle JDeveloper). Su…
    CVE-2026-91320 (CVSS 5.7) — Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Oracle JDeveloper). Su…
    CVE-2026-91318 (CVSS 6.5) — Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Security Framework). S…
    CVE-2026-91317 (CVSS 5.9) — Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: ADF Databinding). Supp…
    CVE-2026-87334 (CVSS 5.5) — Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: ADF Faces). Supported …
    CVE-2026-83424 (CVSS 7.5) — Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Oracle JDeveloper). Su…
    CVE-2026-83423 (CVSS 8.8) — Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Security Framework). S…
    CVE-2026-83306 (CVSS 8.8) — Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Resource Catalog Servic…
    CVE-2026-83266 (CVSS 8.2) — Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Resource Catalog Servic…
    CVE-2026-83067 (CVSS 8.1) — Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: ADF Shared Components).…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High