Quick answers
- Is CVE-2026-91347 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91347 being exploited in the wild.
- How severe is CVE-2026-91347?
- High severity, with a CVSS score of 8.5, published 20 October 2026.
- Which products and versions are affected?
- Oracle E-Business Suite iSupport 12.2.3-12.2.15.
- Is there a fix for CVE-2026-91347?
- 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-2026-91347 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-91347?
- Check whether you run Oracle E-Business Suite iSupport 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
The vulnerability in the Service Requests component of Oracle E-Business Suite iSupport allows low-privileged authenticated attackers to perform unauthorized data manipulation including creation, deletion, and modification of critical data via HTTP. With scope change, successful exploitation can also impact additional E-Business Suite products and cause partial denial of service. The vulnerability requires network access and low privilege credentials but no user interaction.
Affected products
- Oracle E-Business Suite iSupport 12.2.3-12.2.15
Timeline
- 2026-10-20: disclosed