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Vulnerability Database/CVE-2026-60149

CVE-2026-60149: Oracle Workflow DOS Vulnerability

CVE-2026-60149 is a denial of service vulnerability in Oracle Workflow for E-Business Suite that allows privileged attackers to crash the system. This post covers the technical details, affected versions, impact, and mitigation.

Published:

CVE-2026-60149 Overview

CVE-2026-60149 is a vulnerability in the Oracle Workflow product of Oracle E-Business Suite, specifically in the Workflow Notification Mailer component. Affected versions span 12.2.3 through 12.2.15. Exploitation requires local logon access to the infrastructure where Oracle Workflow executes and demands high privileges. A successful attack can cause a complete denial of service through hangs or repeatable crashes. It can also grant unauthorized update, insert, or delete access to some Workflow data and unauthorized read access to a subset of accessible data. The weakness is categorized under [CWE-284] (Improper Access Control).

Critical Impact

A high-privileged local attacker can crash Oracle Workflow and tamper with a subset of Workflow-accessible data, disrupting business processes reliant on notification mailer functions.

Affected Products

  • Oracle E-Business Suite - Oracle Workflow 12.2.3 through 12.2.15
  • Component: Workflow Notification Mailer
  • Deployments running on-premises Oracle E-Business Suite infrastructure

Discovery Timeline

  • 2026-07-21 - CVE-2026-60149 published to NVD
  • July 2026 - Addressed in the Oracle Critical Patch Update / Security Alert (July 2026)
  • 2026-07-23 - Last updated in NVD database

Technical Details for CVE-2026-60149

Vulnerability Analysis

The vulnerability resides in the Workflow Notification Mailer, the Oracle Workflow component responsible for processing and dispatching email-based notifications between the E-Business Suite and users. Attackers who already hold high privileges on the host running Oracle Workflow can abuse improper access control conditions to disrupt the mailer service and manipulate Workflow data structures.

The impact profile combines availability loss with limited confidentiality and integrity effects. Availability impact is significant because the attack can drive Workflow into a hang state or produce a frequently repeatable crash. Confidentiality and integrity impacts are partial: only a subset of Workflow-accessible data can be read, and modifications are limited to some records rather than the full data set.

Exploitation is rated difficult, reflecting non-trivial preconditions such as timing, environmental knowledge, and successful abuse of Workflow-specific interfaces. The requirement for high privileges narrows the realistic attacker set to insiders, compromised service accounts, or attackers who have already escalated on the host.

Root Cause

The root cause maps to [CWE-284] Improper Access Control within the Workflow Notification Mailer subsystem. Access checks fail to sufficiently constrain what an authenticated high-privileged operator on the Workflow host can do against the mailer's runtime state and its underlying data stores.

Attack Vector

The attack vector is local. An attacker must authenticate to the infrastructure hosting Oracle Workflow and interact with the Notification Mailer component. No user interaction is required, and the attack does not cross a trust boundary beyond the Workflow environment, keeping scope unchanged. No public proof-of-concept, exploit code, or in-the-wild activity has been documented for this CVE.

See the Oracle Security Alert - July 2026 for vendor-supplied technical context.

Detection Methods for CVE-2026-60149

Indicators of Compromise

  • Unexpected crashes, restarts, or hang states of the Oracle Workflow Notification Mailer service on affected E-Business Suite hosts.
  • Anomalous changes to Workflow notification records, mailer configuration tables, or queue entries not tied to a documented business change.
  • Interactive logons or privileged shell sessions on the Workflow application tier outside of approved maintenance windows.

Detection Strategies

  • Monitor Workflow Notification Mailer process health and restart counters and alert on repeated abnormal terminations.
  • Enable database auditing on Workflow schema tables to capture unauthorized INSERT, UPDATE, and DELETE activity against notification-related objects.
  • Correlate privileged OS-level activity on the E-Business Suite application tier with Workflow service disruptions using centralized log analytics.

Monitoring Recommendations

  • Ingest Oracle E-Business Suite concurrent manager logs, mailer logs, and OS audit logs into a centralized SIEM for cross-source correlation.
  • Baseline normal Notification Mailer throughput and alert on sustained deviations that may indicate a DoS condition.
  • Review privileged account usage on Workflow hosts on a recurring cadence to identify latent access that could enable this local attack.

How to Mitigate CVE-2026-60149

Immediate Actions Required

  • Apply the Oracle July 2026 Critical Patch Update to all Oracle E-Business Suite deployments running Workflow versions 12.2.3 through 12.2.15.
  • Inventory hosts running the Workflow Notification Mailer and confirm patch status against the vendor advisory.
  • Restrict interactive logon on Workflow application tier hosts to a minimal set of administrators.

Patch Information

Oracle addressed CVE-2026-60149 as part of the July 2026 Critical Patch Update. Refer to the Oracle Security Alert - July 2026 for patch identifiers, download locations, and application prerequisites specific to each supported Workflow release in the 12.2.312.2.15 range.

Workarounds

  • Enforce least privilege on the Workflow host so only vetted operators hold the elevated rights required for exploitation.
  • Segment the E-Business Suite application tier from general-purpose administrative networks to limit lateral movement into the Workflow host.
  • Enable database and OS auditing around the Notification Mailer to accelerate identification if the patch cannot be deployed immediately.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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