# CVE-2026-91342: Oracle Outside In Technology arbitrary file manipulation

Source: https://junglewise.ai/threats/cve-2026-91342-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-2026-91342 · Severity: high · CVSS 8.2 · Published 2026-10-20

Oracle Outside In Technology is a content analysis and data filtering component used within Oracle Fusion Middleware to process and clean document content. An unauthenticated attacker can exploit this vulnerability over the network with minimal user interaction to create, delete, or modify critical data, or read sensitive information. The vulnerability has a wide impact scope, potentially affecting multiple Oracle products that integrate this component.

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-2026-91342 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91342 being exploited in the wild.

**How severe is CVE-2026-91342?** High severity, with a CVSS score of 8.2, published 20 October 2026.

**Which products and versions are affected?** Oracle Outside In Technology 8.5.8.

**Is there a fix for CVE-2026-91342?** 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-2026-91342 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-91342?** 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 network-accessible vulnerability in the Outside In Clean Content SDK (version 8.5.8) that requires user interaction but no authentication. The vulnerability allows unauthorized data manipulation and information disclosure through an HTTP vector, with scope change indicating that the impact extends beyond the component itself to dependent systems.

## 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)