Quick answers
- Is CVE-2026-91317 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91317 being exploited in the wild.
- How severe is CVE-2026-91317?
- 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-2026-91317?
- 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-2026-91317 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-91317?
- 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 vulnerability in the ADF Databinding component of Oracle JDeveloper allows a low-privileged attacker with network access via SOAP protocol to gain unauthorized access to critical data or cause partial denial of service. The vulnerability requires authentication (PR:L) and has high complexity (AC:H), mitigating severity despite network attack surface. Successful exploitation results in confidentiality and availability impact but not integrity.
Affected products
- Oracle JDeveloper 12.2.1.4.0, 14.1.2.0.0
Timeline
- 2026-10-20: disclosed