Quick answers
- Is CVE-2026-87364 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-87364 being exploited in the wild.
- How severe is CVE-2026-87364?
- High severity, with a CVSS score of 8.8, published 20 October 2026.
- Which products and versions are affected?
- Oracle Service Bus 12.2.1.4.0, 14.1.2.0.0.
- Is there a fix for CVE-2026-87364?
- 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-2026-87364 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-87364?
- Check whether you run Oracle Service Bus 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 Oracle Service Bus core component allows a low-privileged attacker with network access via HTTP to execute arbitrary operations resulting in complete system compromise. The attack requires low privilege level and network connectivity but no user interaction, enabling remote code execution or full control over the affected Service Bus instance.
Affected products
- Oracle Service Bus 12.2.1.4.0, 14.1.2.0.0
Timeline
- 2026-10-20: disclosed