Quick answers
- Is CVE-2026-91319 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91319 being exploited in the wild.
- How severe is CVE-2026-91319?
- Medium severity, with a CVSS score of 5.9, published 20 October 2026.
- Which products and versions are affected?
- Oracle Jdeveloper 12.2.1.4.0, 14.1.2.0.0.
- Is there a fix for CVE-2026-91319?
- 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-2026-91319 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-91319?
- Check whether you run Oracle Jdeveloper 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 difficult-to-exploit integrity vulnerability in the Java Business Objects component of Oracle JDeveloper allows unauthenticated remote attackers to create, delete, or modify critical data. The vulnerability is accessed via HTTP and requires no user interaction or privileges, though exploitation encounters higher complexity. Successful attacks compromise data integrity rather than confidentiality or availability.
Affected products
- Oracle JDeveloper 12.2.1.4.0, 14.1.2.0.0
Timeline
- 2026-10-20: advisory