Quick answers
- Is CVE-2026-91496 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91496 being exploited in the wild.
- How severe is CVE-2026-91496?
- High severity, with a CVSS score of 7.5, published 20 October 2026.
- Which products and versions are affected?
- Oracle E-Business Suite 12.2.3–12.2.15.
- Is there a fix for CVE-2026-91496?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-91496 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-91496?
- Check whether you run Oracle E-Business Suite at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A difficult-to-exploit vulnerability in the Workflow Notification Mailer component of Oracle E-Business Suite allows authenticated network attackers to achieve privilege escalation over HTTP. The attack requires low-level privileges and no user interaction, resulting in complete compromise of the Workflow application including confidentiality, integrity, and availability impacts.
Affected products
- Oracle E-Business Suite 12.2.3–12.2.15
Timeline
- 2026-10-20: disclosed