CVE-2026-35308: Critical severity Oracle Oracle Coherence vulnerability
Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars). 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. 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 takeover of Oracle Coherence. CVSS 3.1 Base Score 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Compensating control
Restrict network access to Oracle Coherence HTTP endpoints: block or limit HTTP access to Coherence instances to only trusted IPs or networks using firewall rules, ACLs, or a WAF; isolate Coherence instances from untrusted networks and the public internet until a vendor patch/fix is available.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-35308?
CVE-2026-35308 has a critical severity level of 10.
Who is affected by CVE-2026-35308?
CVE-2026-35308 affects supported Oracle Coherence versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0.
How can I fix CVE-2026-35308?
To fix CVE-2026-35308, upgrade to the latest version of Oracle Coherence that addresses this vulnerability.
What type of attack vector is associated with CVE-2026-35308?
CVE-2026-35308 is easily exploitable by an unauthenticated attacker with network access.
What impact does CVE-2026-35308 have on systems?
CVE-2026-35308 allows for a complete compromise of confidentiality, integrity, and availability on affected systems.