Quick answers
- Is CVE-2026-91304 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91304 being exploited in the wild.
- How severe is CVE-2026-91304?
- High severity, with a CVSS score of 7.8, 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-2026-91304?
- 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-2026-91304 attacked?
- It is attacked with local access, in a software library.
- Am I affected by CVE-2026-91304?
- 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
A privilege escalation vulnerability exists in the Installation Security component of JD Edwards EnterpriseOne Tools that allows an unauthenticated local attacker to gain complete system compromise. The attack requires user interaction from a non-attacker to succeed. An attacker with access to the infrastructure can exploit this to achieve full takeover of the JD Edwards installation, 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