CVE-2026-83178: oracle corporation oracle application object library Improper Access Control

Vulnerability summary

CVE-2026-83178 is a high (CVSS 8.0) Improper Access Control vulnerability in oracle corporation oracle application object library. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.1% of scored vulnerabilities.

Timeline

1. 15-09-2026
   PublishedVulnerability first disclosed.
2. 17-09-2026
   Last modifiedVulnerability information updated.

Description

Vulnerability in the Oracle Application Object Library product of Oracle E-Business Suite (component: Core). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle Application Object Library. While the vulnerability is in Oracle Application Object Library, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Application Object Library. CVSS 3.1 Base Score 8.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H).

• CWE-284Improper Access ControlThe product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.