# CVE-2026-87395: Oracle Outside In Technology denial of service

Source: https://junglewise.ai/threats/cve-2026-87395-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-2026-87395 · Severity: high · CVSS 7.5 · Published 2026-10-20

Oracle Outside In Technology, a file-format conversion component used in enterprise applications, contains a vulnerability that allows remote attackers to crash the service repeatedly without authentication. An attacker on the network can exploit this flaw to cause a complete denial of service, disrupting business operations that depend on document processing.

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-2026-87395 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-87395 being exploited in the wild.

**How severe is CVE-2026-87395?** 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-2026-87395?** 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-2026-87395 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-87395?** 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 denial-of-service vulnerability in the Outside In Core component allows unauthenticated remote attackers to trigger repeated crashes or hangs via HTTP. The flaw requires only network access and no user interaction, making it easily exploitable. Successful exploitation results in complete unavailability of the affected component.

## 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)