# CVE-2026-91405: Oracle Outside In Technology code execution in PDF Export SDK

Source: https://junglewise.ai/threats/cve-2026-91405-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-2026-91405 · Severity: high · CVSS 7.5 · Published 2026-10-20

Oracle Outside In Technology is a document processing component used in enterprise systems to convert and export files to PDF format. A flaw in the PDF Export SDK allows an unauthenticated attacker to remotely compromise the system through a specially crafted HTTP request if a user opens a malicious document. Successful exploitation could lead to complete system takeover.

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-2026-91405 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91405 being exploited in the wild.

**How severe is CVE-2026-91405?** 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-2026-91405?** 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-2026-91405 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-91405?** 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

A network-reachable code execution vulnerability exists in the Outside In PDF Export SDK component, allowing unauthenticated remote attack via HTTP with user interaction required. The vulnerability is difficult to exploit but grants full compromise of the affected system. The attack requires a person other than the attacker to trigger the malicious payload.

## 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)