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high advisory

CVE-2026-46827 - Oracle Payroll RCE via Self Service Manager

CVE-2026-46827 allows a low-privileged attacker with network access via HTTP to compromise Oracle Payroll versions 12.2.3 through 12.2.15, leading to a potential system takeover.

CVE-2026-46827 is a critical vulnerability affecting the Oracle Payroll product within the Oracle E-Business Suite. This vulnerability resides within the Self Service Manager component and impacts versions 12.2.3 through 12.2.15. A low-privileged attacker with network access via HTTP can exploit this vulnerability, potentially leading to a complete takeover of the Oracle Payroll system. The vulnerability’s ease of exploitation and the high impact on confidentiality, integrity, and availability make it a significant threat for organizations using the affected Oracle E-Business Suite versions. Defenders should prioritize patching and implement appropriate mitigations to prevent exploitation.

Attack Chain

  1. Attacker gains low-privileged network access to the Oracle E-Business Suite via HTTP.
  2. Attacker identifies the vulnerable Self Service Manager component within Oracle Payroll.
  3. Attacker crafts a malicious HTTP request targeting a specific endpoint within the Self Service Manager.
  4. The malicious request exploits a flaw in the handling of user-supplied data within the Self Service Manager.
  5. This leads to unauthorized execution of arbitrary code on the Oracle Payroll server.
  6. Attacker escalates privileges within the compromised system.
  7. Attacker gains complete control over the Oracle Payroll system.
  8. Attacker can then access sensitive payroll data, modify payroll records, and disrupt payroll operations.

Impact

Successful exploitation of CVE-2026-46827 can result in a complete takeover of the Oracle Payroll system. This can lead to unauthorized access to sensitive employee data, including salaries, bank account details, and social security numbers. Attackers could modify payroll records to divert funds, disrupt payroll operations, and cause significant financial and reputational damage. The vulnerability affects versions 12.2.3 through 12.2.15, potentially impacting numerous organizations using Oracle E-Business Suite for payroll management.

Recommendation

  • Apply the patch provided by Oracle to address CVE-2026-46827 on all Oracle E-Business Suite instances running affected versions (12.2.3-12.2.15).
  • Implement network segmentation to restrict access to the Oracle Payroll system and limit the potential impact of a successful attack.
  • Deploy the Sigma rule “Detect CVE-2026-46827 Exploitation Attempt - Suspicious HTTP Request to Self Service Manager” to your SIEM to detect potential exploitation attempts.

Detection coverage 2

Detect CVE-2026-46827 Exploitation Attempt - Suspicious HTTP Request to Self Service Manager

high

Detects CVE-2026-46827 exploitation attempt — Suspicious HTTP requests targeting the Self Service Manager component of Oracle Payroll, potentially indicating an attempt to exploit the vulnerability.

sigma tactics: initial_access techniques: T1190 sources: webserver

Detect CVE-2026-46827 Exploitation Attempt - POST Request to Self Service Manager with Suspicious Parameters

high

Detects CVE-2026-46827 exploitation attempt — Identifies POST requests to the Self Service Manager component containing suspicious parameters indicative of exploitation attempts.

sigma tactics: initial_access techniques: T1190 sources: webserver

Detection queries are available on the platform. Get full rules →