CVE-2026-46976: Oracle Public Sector Payroll Escalation

CVE-2026-46976 Overview

CVE-2026-46976 is a high-severity vulnerability in the Oracle Public Sector Payroll product within the Oracle E-Business Suite. The flaw resides in the Internal Operations component and affects supported versions 12.2.3 through 12.2.15. An authenticated attacker with high privileges and network access via HTTP can exploit this issue to compromise the application. Successful exploitation results in a complete takeover of Oracle Public Sector Payroll, impacting confidentiality, integrity, and availability. The weakness is categorized under CWE-284: Improper Access Control.

Critical Impact
Successful exploitation enables full takeover of Oracle Public Sector Payroll, exposing payroll data and operations in public sector environments.

Affected Products

Oracle Public Sector Payroll version 12.2.3
Oracle Public Sector Payroll versions 12.2.4 through 12.2.14
Oracle Public Sector Payroll version 12.2.15

Discovery Timeline

2026-06-17 - CVE-2026-46976 published to NVD
2026-06-18 - Last updated in NVD database

Technical Details for CVE-2026-46976

Vulnerability Analysis

The vulnerability affects the Internal Operations component of Oracle Public Sector Payroll, a module within Oracle E-Business Suite used by government and public sector organizations to manage payroll workflows. Oracle classifies the issue as easily exploitable for an attacker who already holds high privileges within the application. The attack is remote over HTTP and does not require user interaction. Successful exploitation grants the attacker full control over the Public Sector Payroll instance, including sensitive employee compensation records and operational integrity. Oracle disclosed the issue in its June 2026 Critical Patch Update Special Bulletin.

Root Cause

The weakness maps to CWE-284: Improper Access Control. The Internal Operations component does not enforce sufficient authorization controls on actions accessible to high-privileged users. As a result, a privileged actor can perform operations beyond the intended trust boundary and pivot to full application takeover.

Attack Vector

The attacker requires network reachability to the Oracle E-Business Suite HTTP endpoint and an authenticated session with high privileges. From there, the attacker issues crafted HTTP requests targeting the Internal Operations functions. Because user interaction is not required and complexity is low, exploitation can be scripted once initial access is established. Oracle has not published exploitation details, and no public proof-of-concept is currently available.

No verified exploit code is available. See the Oracle Security Alert for vendor-provided technical context.

Detection Methods for CVE-2026-46976

Indicators of Compromise

Unexpected HTTP requests to Oracle E-Business Suite Internal Operations endpoints originating from accounts that do not normally interact with payroll administration.
Privileged Oracle Applications accounts performing configuration changes, data exports, or administrative actions outside of established change windows.
New or modified payroll records, scheduled concurrent programs, or database links that lack a corresponding change ticket.

Detection Strategies

Audit Oracle E-Business Suite application logs and FND_LOGIN / FND_UNSUCCESSFUL_LOGINS tables for anomalous high-privilege session activity.
Correlate HTTP access logs from the Oracle HTTP Server with application-tier audit data to identify requests targeting the Internal Operations component.
Establish baselines for privileged user behavior in Public Sector Payroll and alert on deviations such as off-hours activity or unusual source IP addresses.

Monitoring Recommendations

Enable Oracle E-Business Suite Sign-On Audit and Page Access Tracking for all responsibilities tied to Payroll and Internal Operations.
Forward Oracle application, database, and web tier logs to a centralized SIEM for retention and cross-source correlation.
Continuously monitor changes to high-privilege role assignments such as System Administrator and Payroll Super User.

How to Mitigate CVE-2026-46976

Immediate Actions Required

Apply the patches referenced in the Oracle June 2026 Critical Patch Update Special Bulletin to all affected Oracle E-Business Suite environments.
Inventory all Oracle Public Sector Payroll deployments running versions 12.2.3 through 12.2.15 and prioritize patching for internet-exposed instances.
Review and reduce the number of accounts that hold high-privilege responsibilities in the Payroll and Internal Operations modules.

Patch Information

Oracle has released fixes as part of the June 2026 Critical Patch Update Special Bulletin for Oracle E-Business Suite. Administrators should download and apply the patches that correspond to their specific Oracle E-Business Suite release within the 12.2.3–12.2.15 range. Full details are available in the Oracle Security Alert.

Workarounds

Restrict network access to the Oracle E-Business Suite HTTP tier using firewall rules, VPN gating, or reverse proxy allow-lists until patching is complete.
Enforce multi-factor authentication on all privileged Oracle Applications accounts to raise the cost of credential abuse.
Temporarily revoke non-essential high-privilege responsibilities from users who do not actively require Internal Operations access.

bash

# Example: restrict access to Oracle E-Business Suite HTTP tier to trusted management subnets
iptables -A INPUT -p tcp --dport 8000 -s 10.10.50.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 8000 -j DROP