Improper access control in Oracle SOA Suite Fabric Layer
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.
Summary
Oracle SOA Suite in Oracle Fusion Middleware, Fabric Layer component, versions 12.2.1.4.0 and 14.1.2.0.0 are affected. Improper access control (CWE-284) lets a low privileged attacker with network access over HTTPS reach data they should not, although exploitation is difficult. A successful attack can modify or delete some accessible data, read a subset of it, and partially deny service.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
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. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle SOA Suite. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle SOA Suite accessible data as well as unauthorized read access to a subset of Oracle SOA Suite accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle SOA Suite. CVSS 3.1 Base Score 5.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for Oracle SOA Suite.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Oracle SOA Suite — oracle.com/security-alerts/cpuoct2026.html
27 records Highest priority Priority MEDIUM 20 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2026-77296 Missing authentication in Oracle SOA Suite Fabric LayerPriority MEDIUM 49
- TI-2026-77295 Authentication flaw in Oracle SOA Suite Fabric Layer allows takeoverPriority MEDIUM 49
- TI-2026-77294 Missing authentication in Oracle SOA Suite Fabric LayerPriority MEDIUM 49
Timeline
- 2026-10-21 Threatist record created from CVE-2026-91536
- 2026-10-21 Alias added: GHSA-mv8r-j35w-9xhh
- 2026-10-26 Weakness changed · CISA ADP
- 2026-10-26 CISA SSVC decision points changed
References
Advisory 1
More Oracle vulnerabilities
- TI-2026-34425 Improper privilege management in Oracle Payments KEVCVSS 3.1CRITICAL 9.8
- TI-2026-27421 Missing authentication in Oracle PeopleSoft Enterprise PeopleTools KEVCVSS 3.1CRITICAL 9.8
- TI-2026-17661 Improper access control in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in KEVCVSS 3.1CRITICAL 10.0
- TI-2025-38252 Improper authentication in Oracle Concurrent Processing KEVCVSS 3.1CRITICAL 9.8
- TI-2025-38151 Missing authentication in Oracle Identity Manager KEVCVSS 3.1CRITICAL 9.8
- TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-91536 · CVE Program
- CVE-2026-91536 · NVD
- FIRST EPSS
- GHSA-mv8r-j35w-9xhh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences