CVE-2026-62547 in Workflow
Summary
by MITRE • 07/22/2026
Vulnerability in the Oracle Workflow product of Oracle E-Business Suite (component: Workflow Notification Mailer). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows unauthenticated attacker with network access via SMTP to compromise Oracle Workflow. Successful attacks of this vulnerability can result in takeover of Oracle Workflow. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 07/22/2026
This vulnerability resides within Oracle E-Business Suite's Workflow component, specifically the Workflow Notification Mailer functionality that handles email notifications and workflow processes. The affected versions span from 12.2.3 through 12.2.15, representing a significant release range that indicates this flaw has persisted across multiple maintenance cycles. The vulnerability's classification as difficult to exploit suggests that while it requires specific conditions to be met, the attack surface remains concerning given Oracle's widespread enterprise adoption. The vector of attack involves SMTP network access without authentication requirements, making it particularly dangerous in environments where email services are exposed to untrusted networks.
The technical flaw manifests in how the Workflow Notification Mailer processes incoming SMTP messages, allowing an unauthenticated attacker to potentially manipulate workflow processes through crafted email communications. This represents a critical weakness in Oracle's email processing architecture that bypasses standard authentication mechanisms typically required for workflow administration. The vulnerability's CVSS score of 8.1 reflects high severity across all impact vectors - confidentiality, integrity, and availability - indicating that successful exploitation could result in complete system compromise. The attack complexity is rated as high (AC:H), suggesting sophisticated techniques may be required, yet the lack of privilege requirements (PR:N) and user interaction requirements (UI:N) makes it particularly dangerous.
The operational impact of this vulnerability extends beyond simple data compromise to full system takeover capabilities, which could result in complete disruption of business processes managed through Oracle E-Business Suite. Organizations relying on workflow automation for critical business functions such as procurement approvals, financial processing, or human resources management face significant risk if this vulnerability is exploited. The availability impact suggests potential denial-of-service conditions or complete system compromise that would prevent legitimate users from accessing workflow functionalities. Furthermore, the confidentiality impact indicates that attackers could potentially extract sensitive business data, financial information, or proprietary processes managed through the workflow system.
Organizations should implement immediate mitigations including network segmentation to restrict SMTP access to trusted systems only, implementing robust firewalls and intrusion detection systems to monitor for suspicious email traffic patterns, and applying Oracle's security patches as soon as they become available. The vulnerability aligns with CWE-284 (Improper Access Control) and CWE-310 (Cryptographic Issues) categories, representing weak access controls that permit unauthorized manipulation of workflow processes. From an ATT&CK framework perspective, this vulnerability maps to T1190 (Exploit Public-Facing Application) and T1071.004 (Application Layer Protocol: DNS), as attackers would likely leverage email protocols to gain initial access. Additionally, the vulnerability could enable lateral movement through compromised workflow processes that often integrate with other enterprise systems, making it a potential stepping stone for broader attacks. Organizations should also consider implementing email filtering solutions and monitoring for anomalous workflow processing patterns that might indicate exploitation attempts.
The persistence of this vulnerability across multiple maintenance releases indicates a fundamental architectural weakness in Oracle's security model that requires immediate attention beyond standard patching procedures. Regular security assessments of email processing components within enterprise applications should be conducted to identify similar weaknesses, as the interconnected nature of business processes means that compromise of one system can cascade into broader organizational impacts. Network monitoring solutions should specifically target SMTP traffic patterns associated with workflow notifications, and incident response procedures should include specific protocols for investigating potential workflow takeover scenarios.