CVE-2026-83423: Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle JDeveloper. Successful attacks of this vulnerability can result in takeover of Oracle JDeveloper. in Oracle Corporation Oracle JDeveloper
CVE-2026-83423 is a high-severity vulnerability in Oracle JDeveloper versions 12.2.1.4.0 and 14.1.2.0.0. It allows a low privileged attacker with network access via HTTP to compromise the product, potentially leading to full takeover. The vulnerability affects the Security Framework component of Oracle Fusion Middleware. The CVSS 3.1 base score is 8.8, indicating high impact on confidentiality, integrity, and availability. Oracle has released a Critical Security Patch Update addressing this and many other vulnerabilities. Users are strongly advised to apply the official patches promptly to mitigate risk.
AI Analysis
Technical Summary
This vulnerability in Oracle JDeveloper's Security Framework component allows an attacker with low privileges and network access over HTTP to compromise the system. Successful exploitation can result in complete takeover of Oracle JDeveloper. The affected versions are 12.2.1.4.0 and 14.1.2.0.0. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reflects network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability. Oracle has included fixes for this vulnerability in its September 2026 Critical Security Patch Update, which contains 673 security patches across multiple products including Oracle JDeveloper.
Potential Impact
An attacker with low privileges and network access can exploit this vulnerability to fully compromise Oracle JDeveloper, impacting confidentiality, integrity, and availability of the affected system. This can lead to unauthorized access, data manipulation, and service disruption.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in September 2026 that includes patches for this vulnerability. Users of Oracle JDeveloper versions 12.2.1.4.0 and 14.1.2.0.0 should apply the official patches promptly. Oracle strongly recommends remaining on actively-supported versions and applying security patches without delay to prevent exploitation.
CVE-2026-83423: Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle JDeveloper. Successful attacks of this vulnerability can result in takeover of Oracle JDeveloper. in Oracle Corporation Oracle JDeveloper
Description
CVE-2026-83423 is a high-severity vulnerability in Oracle JDeveloper versions 12.2.1.4.0 and 14.1.2.0.0. It allows a low privileged attacker with network access via HTTP to compromise the product, potentially leading to full takeover. The vulnerability affects the Security Framework component of Oracle Fusion Middleware. The CVSS 3.1 base score is 8.8, indicating high impact on confidentiality, integrity, and availability. Oracle has released a Critical Security Patch Update addressing this and many other vulnerabilities. Users are strongly advised to apply the official patches promptly to mitigate risk.
CVSS v3.1
Score 8.8high
Affected software
Oracle Corporation
Oracle JDeveloper
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Oracle JDeveloper's Security Framework component allows an attacker with low privileges and network access over HTTP to compromise the system. Successful exploitation can result in complete takeover of Oracle JDeveloper. The affected versions are 12.2.1.4.0 and 14.1.2.0.0. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reflects network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability. Oracle has included fixes for this vulnerability in its September 2026 Critical Security Patch Update, which contains 673 security patches across multiple products including Oracle JDeveloper.
Potential Impact
An attacker with low privileges and network access can exploit this vulnerability to fully compromise Oracle JDeveloper, impacting confidentiality, integrity, and availability of the affected system. This can lead to unauthorized access, data manipulation, and service disruption.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in September 2026 that includes patches for this vulnerability. Users of Oracle JDeveloper versions 12.2.1.4.0 and 14.1.2.0.0 should apply the official patches promptly. Oracle strongly recommends remaining on actively-supported versions and applying security patches without delay to prevent exploitation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-31T15:40:57.358Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]
Threat ID: 6aa9a84855bf5e2cf55381b3
Added to database: 09/15/2026, 20:19:20 UTC
Last enriched: 09/15/2026, 23:07:12 UTC
Last updated: 09/16/2026, 01:56:16 UTC
Views: 3
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