CVE-2026-91221 Vulnerability in the Oracle SOA Suite product of Oracle Fusion Middleware (component: Fabric Layer).

Critical 10.0 Published 20 Oct 2026 Updated 29 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-91221?

CVE-2026-91221 is a critical vulnerability in Oracle SOA Suite, published on 20 Oct 2026.

Official description

Vulnerability in the Oracle SOA Suite product of Oracle Fusion Middleware (component: Fabric Layer). 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 T3, IIOP to compromise Oracle SOA Suite. While the vulnerability is in Oracle SOA Suite, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle SOA Suite. 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).

Weakness: CWE-284

Which versions are affected by CVE-2026-91221?

How do I fix CVE-2026-91221?

No fix has been published for CVE-2026-91221 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-91221 being exploited?

There is no known exploitation of CVE-2026-91221 in the wild and no public exploit code.

Sources

Also known as GHSA-v9rc-g7hp-xmc6.