CVE-2026-91344: Oracle Outside In Technology denial of service in Clean Content SDK

CVE-2026-91344 · Severity: high · CVSS 7.5 · Published 2026-10-20

Oracle Outside In Technology is a content processing component used in Oracle Fusion Middleware to handle and sanitize document formats. An unauthenticated attacker on the network can trigger a hang or crash of the service, causing a complete denial of service. This affects the availability of systems relying on this content processing functionality.

Technologies: Oracle Outside In Technology. Vendors: Oracle.

Quick answers

Is CVE-2026-91344 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-91344 being exploited in the wild.
How severe is CVE-2026-91344?
High severity, with a CVSS score of 7.5, published 20 October 2026.
Which products and versions are affected?
Oracle Outside In Technology 8.5.8.
Is there a fix for CVE-2026-91344?
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-2026-91344 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-91344?
Check whether you run Oracle Outside In Technology 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

This is a denial-of-service vulnerability in the Outside In Clean Content SDK component that can be triggered remotely via HTTP without authentication or user interaction. The vulnerability allows an attacker to send a specially crafted request that causes the affected service to hang or crash repeatedly. A fix is available in patched versions.

Affected products

  • Oracle Outside In Technology 8.5.8

Timeline

  • 2026-10-20: disclosed

References

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