CVE-2026-73948 Oracle WebCenter Portal - Authentication Bypass

Oracle WebCenter Portal 12.2.1.4.0 and 14.1.2.0.0 contains a critical vulnerability in Composer component, letting low privileged attackers with network access via HTTP take over the portal, exploit requires low privileges.

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
Authentication Bypass
Impact
Remote Code Execution, Privilege Escalation, 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 Portal.

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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