CVE-2026-70926: Critical severity Oracle Oracle E-Business Suite - Workflow Notification Mailer (Oracle Workflow) vulnerability
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. Easily exploitable 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 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Compensating control
Restrict network access to SMTP so that unauthenticated attackers cannot reach Oracle Workflow via SMTP (e.g., block/limit inbound SMTP to the Workflow Notification Mailer host to only required sources).
Event History
Frequently Asked Questions
Which deployments are exposed to this vulnerability?
Oracle E-Business Suite deployments using the Oracle Workflow Notification Mailer are affected if they run a supported Oracle Workflow version from 12.2.3 through 12.2.15 and are reachable over SMTP.
What does an attacker need to exploit it?
An attacker needs network access to the affected service via SMTP. No authentication, privileges, or user interaction are required.
What is the potential impact of a successful exploit?
A successful attack can result in takeover of Oracle Workflow, with high impact to confidentiality, integrity, and availability.