CVE-2026-35306 Missing authorization in Oracle Coherence
Unauthenticated attackers can access and modify critical data in Oracle Coherence via HTTP, requiring immediate patching.
- 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-2026-35306?
CVE-2026-35306 is a critical missing authorization vulnerability in Oracle Coherence, published on 16 Jun 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: Centralized Third Party Jars). The supported version that is affected is 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Coherence. While the vulnerability is in Oracle Coherence, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Coherence accessible data as well as unauthorized update, insert or delete access to some of Oracle Coherence accessible data. CVSS 3.1 Base Score 9.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N).
Weakness: CWE-284
Which versions are affected by CVE-2026-35306?
It affects 1 product.
Products include Oracle Coherence.
How do I fix CVE-2026-35306?
No fix has been published for CVE-2026-35306 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-35306 being exploited?
There is no known exploitation of CVE-2026-35306 in the wild and no public exploit code.
Other vulnerabilities in Oracle Coherence
Sources
Also known as GHSA-m54g-6m7r-5w4q.