# CVE-2026-87396: Oracle Outside In Technology arbitrary file access

Source: https://junglewise.ai/threats/cve-2026-87396-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-2026-87396 · Severity: medium · CVSS 6.5 · Published 2026-10-20

Oracle Outside In Technology is a file processing component of Oracle Fusion Middleware that handles document conversion and viewing. This vulnerability allows an attacker to trick users into visiting a malicious website or clicking a link, resulting in unauthorized access to sensitive data stored within systems using this component. No authentication is required for the attack to succeed, making it a significant information security risk.

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-2026-87396 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-87396 being exploited in the wild.

**How severe is CVE-2026-87396?** Medium severity, with a CVSS score of 6.5, published 20 October 2026.

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

**Is there a fix for CVE-2026-87396?** 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-2026-87396 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-87396?** 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

The vulnerability is easily exploitable via network access over HTTP and requires user interaction (such as clicking a malicious link). An unauthenticated attacker can trigger the flaw to gain unauthorized access to critical data or complete access to all data accessible to Oracle Outside In Technology. The affected component is Outside In Core in version 8.5.8.

## 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)