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How CVE-2026-47031 Works
CVE-2026-47031 is a critical vulnerability identified in the Oracle Bills of Material product, which is a core module of the Oracle E-Business Suite. The flaw resides within the Bill Issues component, a functional area responsible for managing bill-related data and workflows in enterprise manufacturing and supply chain operations. The vulnerability stems from improper authorization or input validation in this component, allowing an attacker with low-privileged credentials to escalate their access remotely.
The attack vector is network-based over HTTP, meaning the attacker only needs to send crafted HTTP requests to the vulnerable service. No user interaction is required, and the attack complexity is rated as low, making it easily exploitable. The attacker must have a valid low-privilege account (e.g., a standard user with minimal permissions) on the Oracle E-Business Suite instance. Once authenticated, the attacker can manipulate specific HTTP endpoints of the Bill Issues module to trigger the flaw.
Successful exploitation leads to a complete takeover of the Oracle Bills of Material application. This implies that the attacker can gain administrative-level control, enabling them to read, modify, or delete sensitive business data (confidentiality and integrity compromise) and disrupt the availability of the service. The vulnerability affects all supported versions from 12.2.3 through 12.2.15. Older versions may also be vulnerable but are not officially supported.
The CVSS v3.1 base score is 8.8 (High) with the vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, indicating a severe impact on confidentiality, integrity, and availability. The vulnerability was registered on May 18, 2026, and publicly disclosed on July 21, 2026, as part of Oracle’s Critical Patch Update (CPU) for July 2026. Although no public exploit code is currently available, the ease of exploitation and the high value of the target make this a significant risk for organizations running affected versions. The EPSS score is below 1%, suggesting low likelihood of active exploitation in the wild, but the high CVSS score warrants immediate attention. The attack can be launched remotely over the network, and because it requires only low-privileged access, it poses a serious threat to internal and external deployments.
DailyCVE Form:
Platform: Oracle E-Business Suite
Version: 12.2.3 – 12.2.15
Vulnerability: Remote Privilege Escalation
Severity: High (CVSS 8.8)
date: 2026-07-21
Prediction: Already Patched (July 2026 CPU)
What Undercode Say
Check Oracle E-Business Suite version sqlplus apps/apps_password <<EOF select RELEASE_NAME from FND_PRODUCT_GROUPS; EOF Scan for vulnerable Bill Issues endpoints (example) curl -X GET "http://target.oracle.com:8000/OA_HTML/BillIssuesServlet?action=status" \ -H "Cookie: sessionid=..." \ -H "User-Agent: Mozilla/5.0" Verify if CPU July 2026 is applied Check patch level in Oracle Registry SELECT PATCH_ID, PATCH_NAME, ACTION, APPLIED_DATE FROM AD_APPLIED_PATCHES WHERE PATCH_NAME LIKE '%26295320%' OR PATCH_NAME LIKE '%CPUJUL2026%';
Exploit
An attacker with low-privileged credentials can craft malicious HTTP POST requests to the Bill Issues component. By manipulating parameters such as billId, actionType, or approvalStatus, the attacker can trigger a privilege escalation flaw. The vulnerability likely involves improper role-based access control (RBAC) checks, allowing the attacker to invoke administrative functions (e.g., approve bills, modify audit logs, or execute system commands) without proper authorization. Since the attack is remotely exploitable over HTTP and requires no user interaction, it can be automated to compromise the entire Bills of Material module, potentially leading to full control over the Oracle E-Business Suite instance.
Protection
- Apply the Oracle Critical Patch Update (CPU) for July 2026 immediately. The patch addresses CVE-2026-47031 and is available for all affected versions (12.2.3–12.2.15). Upgrade to version 12.2.16 or apply the specific CPU patch.
- Restrict network access to the Oracle Bills of Material service using firewalls or access control lists (ACLs). Allow only trusted internal IPs to access the HTTP endpoints.
- Enforce least privilege for user accounts. Regularly audit and remove unnecessary low-privilege accounts that could be leveraged for exploitation.
- Monitor HTTP logs for anomalous requests to the Bill Issues component, especially patterns involving unusual parameter values or administrative actions from non-admin users.
- Deploy a Web Application Firewall (WAF) to filter malicious payloads targeting the Bill Issues module.
Impact
Successful exploitation of CVE-2026-47031 grants the attacker full administrative control over the Oracle Bills of Material application. This leads to:
– Confidentiality breach: Exposure of sensitive bill-related data, including pricing, supplier information, and internal manufacturing plans.
– Integrity loss: Unauthorized modification or deletion of bill records, approval workflows, and audit trails, potentially causing financial and operational discrepancies.
– Availability disruption: The attacker could crash the service or lock out legitimate users, halting critical supply chain operations.
– Lateral movement: With control over the Bills of Material module, the attacker may pivot to other components of the Oracle E-Business Suite, escalating the breach across the entire enterprise system.
Given the critical nature of Oracle E-Business Suite in large organizations, this vulnerability poses a severe business risk and demands immediate remediation.
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Sources:
Reported By: nvd.nist.gov
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