CVE-2026-83416: Oracle Coherence partial denial of service via HTTP

CVE-2026-83416 · Severity: medium · CVSS 4.3 · Published 2026-09-15

Oracle Coherence is a distributed data caching and processing platform used in enterprise applications to improve performance and availability. A vulnerability in the Core component allows an authenticated attacker to partially disrupt the service, reducing availability to legitimate users. This could impact business operations that depend on Coherence for real-time data processing and caching.

Technologies: Oracle Coherence. Vendors: Oracle.

Quick answers

Is CVE-2026-83416 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-83416 being exploited in the wild.
How severe is CVE-2026-83416?
Medium severity, with a CVSS score of 4.3, published 15 September 2026.
Which products and versions are affected?
Oracle Coherence 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0.
Is there a fix for CVE-2026-83416?
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-2026-83416 attacked?
It is attacked over the network.
Am I affected by CVE-2026-83416?
Check whether you run Oracle Coherence 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 is a partial denial-of-service vulnerability in Oracle Coherence affecting the Core component. The vulnerability is easily exploitable and requires low-level privileges with network access via HTTP. No code execution or data confidentiality/integrity impacts are possible; only partial service availability is affected. The vulnerability impacts versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. Patches or mitigations should be available through Oracle's standard security update process.

Affected products

  • Oracle Coherence 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0

Timeline

  • 2026-09-15: disclosed

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.