Critical severity · published Oct 20, 2026
CVE-2026-91243
Vulnerability in the Oracle Business Process Management Suite product of Oracle Fusion Middleware (component: Fabric Layer)
9.6
CVSS
0.4%
EPSS
No
On KEV
Description
Vulnerability in the Oracle Business Process Management 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 low privileged attacker with network access via HTTP to compromise Oracle Business Process Management Suite. While the vulnerability is in Oracle Business Process Management Suite, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Business Process Management Suite accessible data as well as unauthorized access to critical data or complete access to all Oracle Business Process Management Suite accessible data. CVSS 3.1 Base Score 9.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OB
Oracle Business Process Management Suite · Oracle Corporation
12.2.1.4.0; 14.1.2.0.0 · source: vendor
Affected product
OB
Oracle Business Process Management Suite
Oracle Corporation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-91243
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91243
www.oracle.com
https://www.oracle.com/security-alerts/cpuoct2026.html
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