CVE-2026-83266

Status: DeferredHigh (8.2)—

Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Resource Catalog Services). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle JDeveloper. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle JDeveloper accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle JDeveloper. CVSS 3.1 Base Score 8.2 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L).

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Base score: 8.2

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.42%
Percentile among all scored CVEs: 34
Score date: 10/5/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1190 Exploit Public-Facing Applicationinitial access95 %
Primary impactT1005 Data from Local Systemcollection90 %
Secondary impactT1499.004 Application or System Exploitationimpact75 %

Vulnerabilidad remota sin autenticación en HTTP (AV:N, PR:N, UI:N) explotable contra servicio expuesto. Acceso no autorizado a datos críticos (C:H) e impacto de disponibilidad parcial (A:L).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Filter Network Traffic Vulnerability Scanning Privileged Account Management Network Segmentation Limit Access to Resource Over Network Application Isolation and Sandboxing

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Oracle — Jdeveloper^AI

CWEs

CWE-306

References

https://www.oracle.com/security-alerts/cspusep2026.html

Raw JSON (NVD)

Show

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          "options": [
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          "version": "2.0.3",
          "timestamp": "2026-09-21T19:29:28.093066Z"
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          "attackComplexity": "LOW",
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  "published": "2026-09-15T20:18:38.957",
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  ],
  "lastModified": "2026-09-21T20:17:33.273",
  "sourceIdentifier": "secalert_us@oracle.com"
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