Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Resource Catalog Services). (CVE-2026-83266)
A vulnerability in Oracle JDeveloper (component: Resource Catalog Services) allows unauthenticated network attackers to gain unauthorized access to critical data or cause partial denial of service. The affected versions are 12.2.1.4.0 and 14.1.2.0.0. The vulnerability has a CVSS 3.1 base score of 8.2, indicating high severity with impacts on confidentiality and availability. Oracle has included fixes for this vulnerability in its September 2026 Critical Security Patch Update.
AI Analysis
Technical Summary
CVE-2026-83266 is a vulnerability in Oracle JDeveloper's Resource Catalog Services component affecting versions 12.2.1.4.0 and 14.1.2.0.0. It allows an unauthenticated attacker with network access via HTTP to compromise Oracle JDeveloper, resulting in unauthorized access to critical data and the ability to cause a partial denial of service. The CVSS 3.1 base score is 8.2, with high confidentiality impact and low availability impact. Oracle has addressed this vulnerability in its September 2026 Critical Security Patch Update.
Potential Impact
Successful exploitation can lead to unauthorized access to all data accessible by Oracle JDeveloper and partial denial of service conditions. The vulnerability is exploitable without authentication and requires only network access via HTTP, increasing the risk of compromise if unpatched.
Mitigation Recommendations
Oracle has released a fix for this vulnerability as part of the September 2026 Critical Security Patch Update. Users of Oracle JDeveloper versions 12.2.1.4.0 and 14.1.2.0.0 should apply the relevant patches promptly. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay to mitigate this vulnerability.
Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Resource Catalog Services). (CVE-2026-83266)
Description
A vulnerability in Oracle JDeveloper (component: Resource Catalog Services) allows unauthenticated network attackers to gain unauthorized access to critical data or cause partial denial of service. The affected versions are 12.2.1.4.0 and 14.1.2.0.0. The vulnerability has a CVSS 3.1 base score of 8.2, indicating high severity with impacts on confidentiality and availability. Oracle has included fixes for this vulnerability in its September 2026 Critical Security Patch Update.
CVSS v3.1
Score 8.2high
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-83266 is a vulnerability in Oracle JDeveloper's Resource Catalog Services component affecting versions 12.2.1.4.0 and 14.1.2.0.0. It allows an unauthenticated attacker with network access via HTTP to compromise Oracle JDeveloper, resulting in unauthorized access to critical data and the ability to cause a partial denial of service. The CVSS 3.1 base score is 8.2, with high confidentiality impact and low availability impact. Oracle has addressed this vulnerability in its September 2026 Critical Security Patch Update.
Potential Impact
Successful exploitation can lead to unauthorized access to all data accessible by Oracle JDeveloper and partial denial of service conditions. The vulnerability is exploitable without authentication and requires only network access via HTTP, increasing the risk of compromise if unpatched.
Mitigation Recommendations
Oracle has released a fix for this vulnerability as part of the September 2026 Critical Security Patch Update. Users of Oracle JDeveloper versions 12.2.1.4.0 and 14.1.2.0.0 should apply the relevant patches promptly. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay to mitigate this vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-4jwm-8gcr-54gr
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-83266"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aaa07de55bf5e2cf5ea32e9
Added to database: 09/16/2026, 03:07:10 UTC
Last enriched: 09/16/2026, 04:07:49 UTC
Last updated: 09/16/2026, 06:01:23 UTC
Views: 1
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