Quick answers
- Is CVE-2026-91307 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91307 being exploited in the wild.
- How severe is CVE-2026-91307?
- 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-2026-91307?
- 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-2026-91307 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-91307?
- 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 vulnerability in the JD Edwards EnterpriseOne Tools installation security component allows unauthenticated network attackers to compromise the system via Oracle Net protocol. The flaw results in high-impact confidentiality compromise, enabling attackers to read all accessible data in the affected JD Edwards instance. No authentication or user interaction is required for exploitation.
Affected products
- Oracle JD Edwards EnterpriseOne Tools 9.2.0.0 through 9.2.26.5
Timeline
- 2026-10-20: disclosed