# CVE-2026-91349: Oracle Outside In Clean Content SDK denial of service

Source: https://junglewise.ai/threats/cve-2026-91349-vulnerability-in-the-oracle-outside-in-technology-product-of  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

CVE-2026-91349 · Severity: high · CVSS 7.5 · Published 2026-10-20

Oracle Outside In Technology is a content analysis and filtering component embedded in Oracle Fusion Middleware. An attacker with network access can remotely trigger a denial-of-service condition that crashes the service, causing complete unavailability to legitimate users. This affects version 8.5.8 and requires no authentication or user interaction.

Technologies: [Oracle Outside In Technology](https://junglewise.ai/threats/technologies/outside-in-technology). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-91349 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91349 being exploited in the wild.

**How severe is CVE-2026-91349?** 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-2026-91349?** 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-2026-91349 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-91349?** 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

An easily exploitable denial-of-service vulnerability exists in the Outside In Clean Content SDK component of Oracle Outside In Technology (version 8.5.8). The vulnerability can be triggered remotely over HTTP by an unauthenticated attacker, causing the affected service to hang or crash repeatedly. The flaw impacts availability only, with no data exposure or integrity compromise.

## Affected products

- Oracle Outside In Technology 8.5.8

## Timeline

- 2026-10-20: disclosed

## References

- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

## Related threats

- [Oracle Outside In Technology privilege escalation in Core](https://junglewise.ai/threats/cve-2026-91483-vulnerability-in-the-oracle-outside-in-technology-product-of)
- [Oracle Outside In Technology privilege escalation in Clean Content SDK](https://junglewise.ai/threats/cve-2026-91475-vulnerability-in-the-oracle-outside-in-technology-product-of)
- [Oracle Outside In Technology privilege escalation in Image Export SDK](https://junglewise.ai/threats/cve-2026-91460-vulnerability-in-the-oracle-outside-in-technology-product-of)
- [Oracle Outside In Technology code execution in Image Export SDK](https://junglewise.ai/threats/cve-2026-91459-vulnerability-in-the-oracle-outside-in-technology-product-of)
- [Oracle Outside In Technology privilege escalation in Outside In Core](https://junglewise.ai/threats/cve-2026-91458-vulnerability-in-the-oracle-outside-in-technology-product-of)