CVE-2026-87347 — CRITICAL (9.6)

Vulnerability Description

Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: OSSL Module). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle HTTP Server. While the vulnerability is in Oracle HTTP Server, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle HTTP Server accessible data as well as unauthorized access to critical data or complete access to all Oracle HTTP Server accessible data. CVSS 3.1 Base Score 9.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N).

CVSS Score

9.6

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-200

References

https://www.oracle.com/security-alerts/cpuoct2026.html

FAQ

What is CVE-2026-87347?

CVE-2026-87347 is a vulnerability with a CVSS score of 9.6 (CRITICAL). Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: OSSL Module). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerabi...

How severe is CVE-2026-87347?

CVE-2026-87347 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-87347?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.