Payroll - CraftedSignal Threat Feed

CVE-2026-46828 - Oracle Payroll Vulnerability Allows Unauthorized Data Access and Modification

hello@craftedsignal.io — Thu, 28 May 2026 21:21:12 +0000

CVE-2026-46828 affects the Oracle Payroll product within the Oracle E-Business Suite, specifically the Internal Operations component. This vulnerability impacts supported versions from 12.2.3 through 12.2.15. A low-privileged attacker who can access the system via HTTP can exploit this weakness. Successful exploitation allows the attacker to create, delete, or modify critical data within Oracle Payroll without authorization. Additionally, they can gain unauthorized access to sensitive data, potentially compromising the entire payroll system. This vulnerability poses a significant risk to organizations relying on Oracle E-Business Suite for payroll management. Defenders should prioritize patching and monitoring for suspicious activity related to Oracle Payroll's HTTP endpoints.

Attack Chain

Attacker gains low-privileged network access to the Oracle E-Business Suite server.
Attacker sends a malicious HTTP request targeting the vulnerable Internal Operations component of Oracle Payroll.
The request exploits a flaw in input validation or authorization checks within the Internal Operations component.
Successful exploitation bypasses intended access controls.
Attacker gains unauthorized access to Oracle Payroll data.
Attacker modifies payroll records, such as salary details, bank account information, or tax withholdings.
Attacker creates new unauthorized payroll entries or deletes existing ones.
The changes are propagated to the payroll system, leading to financial discrepancies or data breaches.

Impact

Successful exploitation of CVE-2026-46828 can have significant consequences, including unauthorized modification of employee salary data, fraudulent payments, and exposure of sensitive employee information. The vulnerability affects Oracle Payroll versions 12.2.3 through 12.2.15. The impact includes potential financial losses, legal and regulatory penalties, and reputational damage to the organization. This vulnerability allows full access to all Oracle Payroll accessible data.

Recommendation

Apply the patch provided by Oracle to address CVE-2026-46828 on all Oracle E-Business Suite instances running affected versions (12.2.3-12.2.15).
Monitor HTTP traffic to Oracle Payroll for suspicious activity, such as unexpected requests to Internal Operations endpoints, using the detection rules provided.
Implement strict access controls and regularly review user privileges within Oracle E-Business Suite.
Enable logging for all HTTP requests to Oracle Payroll and retain logs for forensic analysis.

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

hello@craftedsignal.io — Thu, 28 May 2026 21:20:56 +0000

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

Attacker gains low-privileged network access to the Oracle E-Business Suite via HTTP.
Attacker identifies the vulnerable Self Service Manager component within Oracle Payroll.
Attacker crafts a malicious HTTP request targeting a specific endpoint within the Self Service Manager.
The malicious request exploits a flaw in the handling of user-supplied data within the Self Service Manager.
This leads to unauthorized execution of arbitrary code on the Oracle Payroll server.
Attacker escalates privileges within the compromised system.
Attacker gains complete control over the Oracle Payroll system.
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.

CVE-2026-46826 - Oracle Payroll Vulnerability Allows Takeover

hello@craftedsignal.io — Thu, 28 May 2026 21:20:42 +0000

CVE-2026-46826 is a critical vulnerability affecting Oracle Payroll, a component of Oracle E-Business Suite. The vulnerability exists within the Internal Operations component and impacts supported versions 12.2.3 through 12.2.15. This easily exploitable vulnerability allows a low-privileged attacker with network access via HTTPS to compromise the Oracle Payroll system. Successful exploitation can lead to a complete takeover of the Oracle Payroll application, posing significant risks to data confidentiality, integrity, and system availability. Organizations using vulnerable versions of Oracle E-Business Suite are at risk.

Attack Chain

Attacker gains low-privileged network access to the Oracle E-Business Suite via HTTPS.
Attacker crafts a malicious HTTPS request targeting the vulnerable Internal Operations component of Oracle Payroll.
The crafted request exploits CVE-2026-46826, bypassing authorization controls due to an input validation flaw.
Successful exploitation allows the attacker to execute arbitrary code within the context of the Oracle Payroll application.
The attacker escalates privileges within the Oracle Payroll application, leveraging exposed APIs or misconfigured roles.
Attacker gains complete control over the Oracle Payroll system.
Attacker can now access, modify, or delete sensitive payroll data, including employee salaries, banking information, and other personal details.
The attacker may install a backdoor or persistence mechanism to maintain unauthorized access to the compromised system for future malicious activities.

Impact

Successful exploitation of CVE-2026-46826 allows a low-privileged attacker to achieve a complete takeover of the Oracle Payroll system. This can lead to significant data breaches, financial losses, and reputational damage. Sensitive payroll data, including employee salaries, banking information, and other personal details, could be exposed or manipulated. The vulnerability affects versions 12.2.3 through 12.2.15 of Oracle E-Business Suite.

Recommendation

Apply the Oracle patch for CVE-2026-46826 to all affected Oracle E-Business Suite installations running Oracle Payroll versions 12.2.3-12.2.15.
Deploy the Sigma rule "Detect CVE-2026-46826 Exploitation Attempt" to your SIEM to identify potentially malicious HTTPS requests targeting the vulnerable component.
Review and restrict network access to the Oracle E-Business Suite to only authorized users and systems.
Implement strong password policies and multi-factor authentication to mitigate the risk of unauthorized access.