Is CVE-2026-35304 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-35304 being exploited in the wild.

How severe is CVE-2026-35304?

Critical severity, with a CVSS score of 9.8, published 17 June 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-2026-35304?

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-2026-35304 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-35304?

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.

CVE-2026-35304: Oracle Coherence authentication bypass in Core component

CVE-2026-35304 · Severity: critical · CVSS 9.8 · Published 2026-06-17

Oracle Coherence, a distributed data management platform used for high-speed data processing and application scaling, contains a critical security flaw. An unauthenticated attacker can exploit this vulnerability over a network to gain full control of the system. This could lead to the theft of sensitive data, disruption of business operations, and total compromise of the affected environment.

Technologies: Oracle Coherence. Vendors: Oracle.

Quick answers

Is CVE-2026-35304 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-35304 being exploited in the wild.
How severe is CVE-2026-35304?: Critical severity, with a CVSS score of 9.8, published 17 June 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-2026-35304?: 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-2026-35304 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-35304?: 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 vulnerability in the Core component of Oracle Coherence (versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0) is classified as a missing authentication for a critical function (CWE-306). The flaw is easily exploitable by an unauthenticated attacker with network access via HTTPS. Successful exploitation allows for a complete takeover of the Oracle Coherence instance, impacting confidentiality, integrity, and availability. Users are advised to refer to the Oracle Critical Patch Update for remediation steps.

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

2026-06-17: disclosed
2026-06-17: advisory

References

https://www.oracle.com/security-alerts/cspujun2026.html

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