CVE-2026-46809: Critical severity Oracle WebCenter Sites vulnerability
Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle WebCenter Sites accessible data as well as unauthorized access to critical data or complete access to all Oracle WebCenter Sites accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Configuration
Disable or restrict direct HTTP access to Oracle WebCenter Sites. If external HTTP access is required, require authentication and force HTTPS, and only expose the service through trusted network segments or a reverse proxy.
Oracle WebCenter Sites HTTP access = restricted or disabled for external networks - Compensating control
Place the Oracle WebCenter Sites instances behind network controls: restrict access to HTTP ports to trusted IP ranges via firewall/ACL, and deploy a Web Application Firewall (WAF) or reverse proxy in front of the application to inspect and block malicious requests.
- Operational
Treat externally accessible instances as potentially compromised: audit application and access logs for unauthorized creation/modification/deletion activity, rotate any credentials, API keys, and secrets used by Oracle WebCenter Sites, and monitor for indicators of compromise. Apply vendor-supplied patches or updates as soon as they are released.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-46809?
CVE-2026-46809 has a critical severity rating of 9.1.
How do I fix CVE-2026-46809?
To fix CVE-2026-46809, apply the latest patches and updates provided by Oracle for affected versions.
Which versions of Oracle WebCenter Sites are affected by CVE-2026-46809?
CVE-2026-46809 affects Oracle WebCenter Sites versions 12.2.1.4.0 and 14.1.2.0.0.
What type of vulnerability is CVE-2026-46809?
CVE-2026-46809 is an easily exploitable vulnerability that allows unauthenticated attackers with network access via HTTP to compromise Oracle WebCenter Sites.
Can CVE-2026-46809 lead to data compromise?
Yes, CVE-2026-46809 allows for high levels of confidentiality and integrity compromise.