CVE-2026-83411: Oracle Coherence privilege escalation in Core

CVE-2026-83411 · Severity: high · CVSS 8.8 · Published 2026-09-15

Oracle Coherence is an in-memory data grid used by enterprises to cache and distribute data across applications. A vulnerability in its Core component allows a low-privileged network user to gain complete control over the Coherence system, potentially compromising all cached data, services, and operations that depend on it. An attacker could read sensitive information, modify data, or disrupt service availability.

Technologies: Oracle Coherence. Vendors: Oracle.

Quick answers

Is CVE-2026-83411 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-83411 being exploited in the wild.
How severe is CVE-2026-83411?
High severity, with a CVSS score of 8.8, published 15 September 2026.
Which products and versions are affected?
Oracle Coherence 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0.
Is there a fix for CVE-2026-83411?
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-2026-83411 attacked?
It is attacked over the network.
Am I affected by CVE-2026-83411?
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 network-accessible vulnerability in Oracle Coherence Core that can be exploited by an attacker with low privileges via HTTP requests. The vulnerability has low attack complexity and requires no user interaction, making it easily exploitable. Successful exploitation results in complete compromise of the Coherence system, affecting confidentiality, integrity, and availability. The vulnerability affects versions 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0; patch or upgrade availability from Oracle should be verified through official security advisories.

Affected products

  • Oracle Coherence 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0

Timeline

  • 2026-09-15: disclosed

References

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