CVE-2026-60266 Information disclosure in Oracle Coherence

Medium 5.9 Published 21 Jul 2026 Updated 23 Jul 2026

An unauthenticated attacker can exploit a difficult-to-exploit vulnerability in Oracle Coherence to gain unauthorized access to critical data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-60266?

CVE-2026-60266 is a medium-severity vulnerability in Oracle Coherence, published on 21 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Coherence. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Coherence accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

Weakness: CWE-200

Which versions are affected by CVE-2026-60266?

It affects 1 product.

Products include Oracle Coherence.

How do I fix CVE-2026-60266?

No fix has been published for CVE-2026-60266 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-60266 being exploited?

There is no known exploitation of CVE-2026-60266 in the wild and no public exploit code.

All Oracle Coherence vulnerabilities

Sources

Also known as GHSA-q777-696q-j9pq.