CVE-2026-35308: Oracle Coherence improper access control in Centralized Third Party Jars

CVE-2026-35308 · Severity: critical · CVSS 10 · Published 2026-06-17

Oracle Coherence, a data grid solution used for high-speed data processing and storage, contains a critical security flaw. An unauthorized person can remotely take full control of the system over the internet without needing a password. This could lead to the theft of sensitive data, service outages, or the compromise of other connected business systems.

Technologies: Oracle Coherence. Vendors: Oracle.

Quick answers

Is CVE-2026-35308 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-35308 being exploited in the wild.
How severe is CVE-2026-35308?
Critical severity, with a CVSS score of 10, 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-2026-35308?
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-2026-35308 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-35308?
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 exists in the Centralized Third Party Jars component of Oracle Coherence. The flaw is classified as Improper Access Control (CWE-284) and is easily exploitable via the HTTP protocol. An unauthenticated remote attacker can exploit this to achieve a complete takeover of the Oracle Coherence instance. Due to a scope change (Status: Changed), a successful exploit may also allow the attacker to impact additional products beyond the initial target. Affected versions include 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0.

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: Initial disclosure by Oracle
  • 2026-06-17: advisory: NVD publication date

References

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