CVE-2026-83031 Oracle WebCenter Sites - Remote Code Execution

Oracle WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0 contain a remote code execution caused by an easily exploitable vulnerability accessible via HTTP, letting low privileged attackers with network access take over the system, exploit requires low privileges and network access.

CVSS base score 9.9 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.43% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution, Information Disclosure, Data Tampering, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
15 September 2026
Updated
15 October 2026
Weakness
CWE-284

Vendor fix

Update to the latest available version of Oracle WebCenter Sites.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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