Quick answers
- Is CVE-2026-83415 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-83415 being exploited in the wild.
- How severe is CVE-2026-83415?
- High severity, with a CVSS score of 7.5, 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-2026-83415?
- 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-2026-83415 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-83415?
- 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
A difficult-to-exploit privilege escalation vulnerability exists in Oracle Coherence Core component, accessible via HTTP to low-privileged authenticated users. The attack requires network access and authentication but has high complexity mitigations. Successful exploitation results in complete takeover of the Coherence instance, compromising confidentiality, integrity, and availability of cached data. This vulnerability affects Coherence versions 12.2.1.4.0 through 15.1.1.0.0. Patch availability has not been confirmed in available advisory references.
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: CVE-2026-83415 published in Oracle security advisory