Main Vulnerability Database Vulnerabilities #VU163429

Improper input validation in Oracle E-Business Suite and Oracle Workflow - CVE-2026-91506

Published: November 10, 2026

Vulnerability identifier: #VU163429

CSH Severity: High

CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-91506

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to improper input validation within the Workflow Notification Mailer component in Oracle Workflow in Oracle E-Business Suite. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.

Affected software

Oracle E-Business Suite
Oracle Workflow

How to mitigate CVE-2026-91506

Install updates from vendor's website.

External References

https://www.oracle.com/security-alerts/cpuoct2026.html

Related Security Bulletins