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CriticalVulnerabilityCVE-2026-91234updated 25 Oct 2026, 18:35 UTC

Oracle SOA Suite can be fully taken over over the network without logging in

Anyone who can reach the product over the network can take control of it without a password. That means they could read, change, or shut down the business systems it runs.

Official, 2 sources
SeverityCriticalCVSS 9.8 of 10
Being exploited?UnclearNo reports either way yet
Fix available?UnclearNo fixed version published in the sources yet
How sure is this?Official, 2 sourcesBacked by an official source

How the attack works simplified

  1. 1Remote attackerNo login or account needed
  2. 2HTTP requestSent over the network to SOA Suite
  3. 3Fabric Layer flawVulnerable component accepts the request
  4. 4Server compromisedAttacker gains control of the product
  5. ResultAttacker takes over Oracle SOA Suite

What happened

A critical flaw in the Fabric Layer component of Oracle SOA Suite (Oracle Fusion Middleware) allows unauthenticated remote attacks over HTTP, resulting in full takeover of the product.

Why it is dangerous: An attacker needs no account and only network access, so exposed or poorly segmented SOA Suite servers are at highest risk. Successful attacks can compromise confidentiality, integrity, and availability together.

Are you affected?

You are affected if you run Oracle SOA Suite 12.2.1.4.0 or 14.1.2.0.0 and its HTTP interface is reachable from networks an attacker could use.

Oracle SOA Suite 12.2.1.4.0; Oracle SOA Suite 14.1.2.0.0 (Fabric Layer component)

What to do

  1. Check whether your Oracle SOA Suite version is 12.2.1.4.0 or 14.1.2.0.0
  2. Restrict network access to SOA Suite HTTP endpoints so only trusted systems can reach them
  3. Apply the official Oracle Critical Patch Update or vendor fix as soon as it is available for your version
  4. Review logs for unexpected HTTP requests to SOA Suite endpoints

Timeline

  1. 20 Oct 2026, 22:20 UTC
    Publicly disclosed
  2. 20 Oct 2026, 22:20 UTC
    Reported by NVD · NVD
  3. 25 Oct 2026, 18:35 UTC
    GitHub Advisory reported on it · GitHub Advisory

Sources 2 reports, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-91234 · GHSA-fcvm-x3q2-xh87
CVSS
9.8 / 10
EPSS
0.5% chance of exploitation within 30 days
Disclosed
20 Oct 2026, 22:20 UTC
On Zero Radar
before the radar started
Last change
25 Oct 2026, 18:35 UTC

The plain-language parts and the attack diagram were written by an AI model (anthropic/claude-haiku-5.5) from the sources above. Facts like versions, exploitation and dates come from the sources themselves. How Zero Radar works

Oracle SOA Suite can be fully taken over over the network without logging in · Zero Radar