Oracle SOA Suite: Missing authentication allows remote takeover via HTTP
Summary
Oracle SOA Suite (Fabric Layer component) in versions 12.2.1.4.0 and 14.1.2.0.0 lacks proper authentication for certain requests. An unauthenticated attacker with network access via HTTP can compromise the product, with a possible takeover of the SOA Suite instance. The CVSS base score is 9.8 (Critical); no user interaction is required.
Affected
- Oracle SOA Suite 12.2.1.4.0
- Oracle SOA Suite 14.1.2.0.0
- Component: Fabric Layer (Oracle Fusion Middleware)
Fixed in
Unknown. Check the Oracle Critical Patch Update Advisory - October 2026 for the patch IDs for the affected versions.
Workaround
- None provided in the CVE record.
- Until patched, restrict access to SOA Suite HTTP endpoints to trusted hosts or a VPN; do not expose them to the internet.
Exploitation
- No evidence of known exploitation in the wild; not listed in KEV.
- CISA SSVC: exploitation none, automatable yes, technical impact total.
- EPSS: 0.0045 (about 0.45%).
- No public proof of concept found (unverified).
Our recommendation
- Identify all SOA Suite instances and check whether their HTTP endpoints are reachable from the internet or untrusted networks.
- Restrict access to these endpoints until patching is complete.
- Apply the October 2026 Oracle CPU patches for 12.2.1.4.0 and 14.1.2.0.0.
- Monitor logs for unexpected requests to the Fabric Layer.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Oracle Critical Patch Update Advisory - October 2026 www.oracle.com
- OpenCVE: CVE-2026-91236 app.opencve.io
- Vulners: CVE-2026-91236 vulners.com
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 30 Oct 2026, 17:14.
Original description (NVD)
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 HTTP to compromise Oracle SOA Suite. Successful attacks of this vulnerability can result in takeover of Oracle SOA Suite. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
NVD references (1)
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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