Is CVE-2026-35296 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-35296 being exploited in the wild.

How severe is CVE-2026-35296?

Critical severity, with a CVSS score of 9.8, published 17 June 2026.

Which products and versions are affected?

Oracle WebCenter Sites 12.2.1.4.0, 14.1.2.0.0.

Is there a fix for CVE-2026-35296?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-35296 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-35296?

Check whether you run Oracle WebCenter Sites at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-35296: Oracle WebCenter Sites authentication bypass and system takeover

CVE-2026-35296 · Severity: critical · CVSS 9.8 · Published 2026-06-17

Oracle WebCenter Sites, a platform used for managing large-scale web content and digital experiences, contains a critical security flaw. An unauthorized person can remotely take full control of the system over the internet without needing a username or password. This could lead to the complete theft of sensitive data, modification of website content, or a total shutdown of the service.

Technologies: Oracle WebCenter Sites. Vendors: Oracle.

Quick answers

Is CVE-2026-35296 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-35296 being exploited in the wild.
How severe is CVE-2026-35296?: Critical severity, with a CVSS score of 9.8, published 17 June 2026.
Which products and versions are affected?: Oracle WebCenter Sites 12.2.1.4.0, 14.1.2.0.0.
Is there a fix for CVE-2026-35296?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-35296 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-35296?: Check whether you run Oracle WebCenter Sites at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A critical vulnerability exists in the WebCenter Sites component of Oracle Fusion Middleware, specifically affecting versions 12.2.1.4.0 and 14.1.2.0.0. The flaw is categorized as a missing authentication for a critical function (CWE-306), allowing an unauthenticated attacker with network access via HTTP to bypass security controls. This is an easily exploitable vulnerability that requires no user interaction. Successful exploitation results in a complete takeover of the Oracle WebCenter Sites instance, impacting confidentiality, integrity, and availability. Oracle has addressed this in their June 2026 security alerts.

Affected products

Oracle WebCenter Sites 12.2.1.4.0, 14.1.2.0.0

Timeline

2026-06-17: disclosed
2026-06-17: advisory

References

https://www.oracle.com/security-alerts/cspujun2026.html

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