Quick answers
- Is CVE-2026-91303 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91303 being exploited in the wild.
- How severe is CVE-2026-91303?
- High severity, with a CVSS score of 8.8, published 20 October 2026.
- Which products and versions are affected?
- Oracle JD Edwards EnterpriseOne Tools 9.2.0.0 through 9.2.26.5.
- Is there a fix for CVE-2026-91303?
- 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-2026-91303 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-91303?
- Check whether you run Oracle JD Edwards EnterpriseOne Tools 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
An easily exploitable installation security vulnerability in the HTTP interface allows unauthenticated network attackers to achieve remote code execution or system compromise. The attack requires user interaction (social engineering a legitimate user to click a link), but once successful, grants complete control over the affected JD Edwards instance. The vulnerability affects versions 9.2.0.0 through 9.2.26.5 and results in full system compromise including confidentiality, integrity, and availability impacts.
Affected products
- Oracle JD Edwards EnterpriseOne Tools 9.2.0.0 through 9.2.26.5
Timeline
- 2026-10-20: disclosed