Quick answers
- Is CVE-2026-91552 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91552 being exploited in the wild.
- How severe is CVE-2026-91552?
- High severity, with a CVSS score of 7.5, published 20 October 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-2026-91552?
- 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-2026-91552 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-91552?
- 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
An easily exploitable unauthenticated vulnerability in Oracle WebCenter Sites allows network-based attackers to access the application via HTTP without credentials. The vulnerability impacts confidentiality through unauthorized data access but does not affect system integrity or availability. Affected versions 12.2.1.4.0 and 14.1.2.0.0 require patching to remediate the issue.
Affected products
- Oracle WebCenter Sites 12.2.1.4.0, 14.1.2.0.0
Timeline
- 2026-10-20: disclosed