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High severity · published Sep 15, 2026
CVE-2026-73959
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer)
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer). 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 WebCenter Portal. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OW
Oracle WebCenter Portal · Oracle Corporation
12.2.1.4.0; 14.1.2.0.0 · source: vendor
WP
Webcenter Portal · Oracle
12.2.1.4.0; 14.1.2.0.0 · source: NVD
Affected product
OW
Oracle WebCenter Portal
Oracle Corporation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-73959
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-73959
Vendor Advisory
https://www.oracle.com/security-alerts/cspusep2026.html
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