# CVE-2026-87337: Oracle Access Manager authentication bypass in HTTP

Source: https://junglewise.ai/threats/cve-2026-87337-vulnerability-in-the-oracle-access-manager-product-of-oracle  
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-2026-87337 · Severity: critical · CVSS 10 · Published 2026-10-20

Oracle Access Manager is the authentication and authorization service for Oracle Fusion Middleware environments, controlling who can access enterprise applications and data. An unauthenticated attacker can exploit a network-accessible flaw in the authentication engine to bypass security controls, gain unauthorized access to sensitive data, modify or delete records, and potentially compromise connected applications.

Technologies: [Oracle Access Manager](https://junglewise.ai/threats/technologies/access-manager). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-87337 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-87337 being exploited in the wild.

**How severe is CVE-2026-87337?** Critical severity, with a CVSS score of 10, published 20 October 2026.

**Which products and versions are affected?** Oracle Access Manager 12.2.1.4.0, 14.1.2.1.0.

**Is there a fix for CVE-2026-87337?** 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-2026-87337 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-87337?** Check whether you run Oracle Access Manager 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

An easily exploitable vulnerability in the Oracle Access Manager authentication engine allows unauthenticated network attackers to compromise the system via HTTP. The attack requires no special privileges or user interaction. Successful exploitation can result in unauthorized access to critical data, unauthorized modification or deletion of data, and due to scope change, may impact other connected Oracle Fusion Middleware products.

## Affected products

- Oracle Access Manager 12.2.1.4.0, 14.1.2.1.0

## 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 Access Manager authentication bypass via HTTP](https://junglewise.ai/threats/cve-2026-87296-vulnerability-in-the-oracle-access-manager-product-of-oracle)
- [Oracle Access Manager authentication bypass in SAML](https://junglewise.ai/threats/cve-2026-87251-vulnerability-in-the-oracle-access-manager-product-of-oracle)
- [Oracle Access Manager authentication bypass in HTTP](https://junglewise.ai/threats/cve-2026-83426-vulnerability-in-the-oracle-access-manager-product-of-oracle)
- [Oracle Access Manager SAML authentication bypass](https://junglewise.ai/threats/cve-2026-83409-vulnerability-in-the-oracle-access-manager-product-of-oracle)
- [Oracle Access Manager authentication bypass via HTTP](https://junglewise.ai/threats/cve-2026-83407-vulnerability-in-the-oracle-access-manager-product-of-oracle)