# CVE-2026-91536: Oracle SOA Suite data access vulnerability in Fabric Layer

Source: https://junglewise.ai/threats/cve-2026-91536-vulnerability-in-the-oracle-soa-suite-product-of-oracle-fusion  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

CVE-2026-91536 · Severity: medium · CVSS 5 · Published 2026-10-20

Oracle SOA Suite is a middleware platform that orchestrates business processes and integrates enterprise applications. A vulnerability in its Fabric Layer component allows an attacker with low-level network access to read, modify, or delete sensitive data processed by SOA Suite, as well as disrupt service availability. Exploitation requires authentication and is difficult to perform, but could expose data or cause operational outages.

Technologies: [Oracle SOA Suite](https://junglewise.ai/threats/technologies/soa-suite). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-91536 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91536 being exploited in the wild.

**How severe is CVE-2026-91536?** Medium severity, with a CVSS score of 5, published 20 October 2026.

**Which products and versions are affected?** Oracle SOA Suite 12.2.1.4.0, 14.1.2.0.0.

**Is there a fix for CVE-2026-91536?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-91536 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-91536?** Check whether you run Oracle SOA Suite at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A difficult-to-exploit vulnerability in the Fabric Layer component of Oracle SOA Suite allows a low-privileged attacker with network access via HTTPS to bypass authorization controls. The vulnerability permits unauthorized read, insert, update, and delete operations on accessible data within SOA Suite, and can cause partial denial of service. No authentication bypass is required, but the attacker must have valid low-privilege credentials and network connectivity.

## Affected products

- Oracle SOA Suite 12.2.1.4.0, 14.1.2.0.0

## Timeline

- 2026-10-20: advisory

## References

- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

## Related threats

- [Oracle SOA Suite remote code execution in Adapters](https://junglewise.ai/threats/cve-2026-91251-vulnerability-in-the-oracle-soa-suite-product-of-oracle-fusion)
- [Oracle SOA Suite Adapters remote code execution](https://junglewise.ai/threats/cve-2026-91250-vulnerability-in-the-oracle-soa-suite-product-of-oracle-fusion)
- [Oracle SOA Suite remote code execution in Fabric Layer](https://junglewise.ai/threats/cve-2026-91239-vulnerability-in-the-oracle-soa-suite-product-of-oracle-fusion)
- [Oracle SOA Suite integrity and availability bypass in Fabric Layer](https://junglewise.ai/threats/cve-2026-91238-vulnerability-in-the-oracle-soa-suite-product-of-oracle-fusion)
- [Oracle SOA Suite unauthorized access in Fabric Layer](https://junglewise.ai/threats/cve-2026-91237-vulnerability-in-the-oracle-soa-suite-product-of-oracle-fusion)