CVE-2026-87369
HighCVSS 7.5Summary
Vulnerability in Oracle Service Bus (component Core), affecting versions 12.2.1.4.0 and 14.1.2.0.0. An unauthenticated attacker with network access via HTTP can easily cause a hang or repeatable crash (complete DoS) of the product.
Risk Assessment
May cause unavailability of Oracle Service Bus, disrupting service integration. The CVSS score of 7.5 indicates significant availability risk.
Recommendation
Update Oracle Service Bus to a patched version and consider restricting network access to the service.
Other vulnerabilities in Oracle Service Bus
See all- CVE-2026-87420High
Vulnerability in Oracle Service Bus (Core component) affecting version 14.1.2.0.0. An easily exploitable flaw allows a low-privileged attacker with HTTP network access to take over Oracle Service Bus.
- CVE-2026-87419High
Vulnerability in Oracle Service Bus (Core component) affecting versions 12.2.1.4.0 and 14.1.2.0.0. An easily exploitable flaw allows a low-privileged attacker with HTTP network access to take over Oracle Service Bus.
- CVE-2026-87364High
Vulnerability in Oracle Service Bus (component Core), affecting versions 12.2.1.4.0 and 14.1.2.0.0. A low-privileged attacker with network access via HTTP can easily take over the product.
- CVE-2026-87359High
Vulnerability in Oracle Service Bus (component Core), affecting versions 12.2.1.4.0 and 14.1.2.0.0. A low-privileged attacker with network access via HTTP can easily take over the product.
Original NVD description (English source)
Vulnerability in the Oracle Service Bus product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Service Bus. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Service Bus. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS