# CVE-2026-87346: Oracle HTTP Server unauthorized data access in Weblogic Proxy Plug-in

Source: https://junglewise.ai/threats/cve-2026-87346-vulnerability-in-the-oracle-http-server-product-of-oracle-fusion  
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-2026-87346 · Severity: high · CVSS 8.7 · Published 2026-10-20

Oracle HTTP Server, a web server component of Oracle Fusion Middleware, contains a vulnerability in its Weblogic Server Proxy Plug-in that allows attackers to read, modify, or delete sensitive data without authentication. An attacker with network access can exploit this flaw to access or manipulate critical data stored on or accessible through the HTTP server, potentially compromising connected systems and sensitive business information.

Technologies: [Oracle Http Server](https://junglewise.ai/threats/technologies/oracle-http-server). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-87346 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-87346 being exploited in the wild.

**How severe is CVE-2026-87346?** High severity, with a CVSS score of 8.7, published 20 October 2026.

**Which products and versions are affected?** Oracle Http Server 12.2.1.4.0, 14.1.2.0.0.

**Is there a fix for CVE-2026-87346?** 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-2026-87346 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-87346?** Check whether you run Oracle Http Server 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 exists in the Oracle Weblogic Server Proxy Plug-in component of Oracle HTTP Server and is difficult to exploit but requires no authentication or user interaction. Exploitation via HTTP allows an unauthenticated network attacker to gain unauthorized access to create, delete, or modify critical data, or read all data accessible to the HTTP Server process, with potential impact to other connected products (scope change).

## Affected products

- Oracle HTTP Server 12.2.1.4.0, 14.1.2.0.0

## 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 HTTP Server privilege escalation in Web Listener](https://junglewise.ai/threats/cve-2026-91473-vulnerability-in-the-oracle-http-server-product-of-oracle-fusion)
- [Oracle HTTP Server privilege escalation in OSSL Module](https://junglewise.ai/threats/cve-2026-91419-vulnerability-in-the-oracle-http-server-product-of-oracle-fusion)
- [Oracle HTTP Server data access vulnerability in OSSL Module](https://junglewise.ai/threats/cve-2026-87347-vulnerability-in-the-oracle-http-server-product-of-oracle-fusion)
- [Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.](https://junglewise.ai/threats/cve-2026-34291-vulnerability-in-the-oracle-http-server-product-of-oracle-fusion)