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9.9

Oracle WebCenter Sites: Unsecured Access via HTTP

CVE-2026-61021 · published 16 days ago
Summary

Oracle WebCenter Sites, a product of Oracle Fusion Middleware, has a security weakness that makes it easy for attackers with network access to take control of the system. This could impact not just WebCenter Sites, but also other related products. Oracle has identified versions 12.2.1.4.0 and 14.1.2.0.0 as affected, and it's recommended that users apply the necessary updates to secure their systems.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
oracle corporation oracle webcenter sites 12.2.1.4.0
Original advisory text
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 exploitabl...
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 low privileged attacker with network access via HTTP to compromise Oracle WebCenter Sites. While the vulnerability is in Oracle WebCenter Sites, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Sites. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
References
Severity
9.9 Critical
CVSS 3.1: 9.9 (MITRE)
Exploitation
EPSS <1%
Type
CWE-284Improper Access Control
Timeline
Published18 Aug 2026
Updated2 Sep 2026
First seen18 Aug 2026
Sources
CVE-2026-61021 · NVD
CVE-2026-61021 · MITRE
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