# CVE-2026-91354: Oracle Outside In Technology remote privilege escalation

Source: https://junglewise.ai/threats/cve-2026-91354-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-2026-91354 · Severity: critical · CVSS 9.9 · Published 2026-10-20

Oracle Outside In Technology is a content-processing component used in Oracle Fusion Middleware to filter and clean document content. A critical vulnerability allows low-privileged attackers with network access to gain complete control over the system, potentially compromising other connected products. Successful exploitation enables full confidentiality, integrity, and availability compromise across the affected infrastructure.

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

## Quick answers

**Is CVE-2026-91354 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91354 being exploited in the wild.

**How severe is CVE-2026-91354?** Critical severity, with a CVSS score of 9.9, published 20 October 2026.

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

**Is there a fix for CVE-2026-91354?** 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-2026-91354 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-91354?** Check whether you run Oracle Fusion Middleware or 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 in Oracle Outside In Clean Content SDK (version 8.5.8) allows a low-privileged, network-adjacent attacker to achieve remote code execution or privilege escalation via HTTP. The attack requires authentication but involves no user interaction. Exploitation results in full system compromise with scope change, meaning downstream systems can also be impacted.

## Affected products

- Oracle Fusion Middleware 8.5.8
- Oracle Outside In Technology 8.5.8

## Timeline

- 2026-10-20: advisory

## 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)