Quick answers
- Is CVE-2026-91327 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91327 being exploited in the wild.
- How severe is CVE-2026-91327?
- High severity, with a CVSS score of 7.5, 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-2026-91327?
- 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-2026-91327 attacked?
- It is attacked from the adjacent network, in a hosted service.
- Am I affected by CVE-2026-91327?
- 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
This vulnerability in the Installation Security component requires an unauthenticated attacker with adjacent network access to the physical communication segment. The exploit is difficult to execute but results in complete compromise of the JD Edwards EnterpriseOne Tools system including confidentiality, integrity, and availability impacts. The attack vector is adjacent (physical network segment), indicating an in-person or localized network presence is required.
Affected products
- Oracle JD Edwards EnterpriseOne Tools 9.2.0.0 through 9.2.26.5
Timeline
- 2026-10-20: disclosed