CVE-2026-61011 Missing authorization in Oracle WebCenter Sites
Unauthenticated attackers can modify or delete critical data and cause partial denial of service in Oracle WebCenter Sites.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-61011?
CVE-2026-61011 is a high-severity missing authorization vulnerability in Oracle Webcenter Sites, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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 and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle WebCenter Sites. CVSS 3.1 Base Score 8.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L).
Weakness: CWE-284
Which versions are affected by CVE-2026-61011?
It affects 1 product.
Products include Oracle Webcenter Sites.
How do I fix CVE-2026-61011?
No fix has been published for CVE-2026-61011 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-61011 being exploited?
There is no known exploitation of CVE-2026-61011 in the wild and no public exploit code.
Other vulnerabilities in Oracle Webcenter Sites
Sources
Also known as GHSA-p5g6-c374-p6vr.