Quick answers
- Is CVE-2026-87397 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-87397 being exploited in the wild.
- How severe is CVE-2026-87397?
- High severity, with a CVSS score of 8.8, published 20 October 2026.
- Which products and versions are affected?
- Oracle Outside In Technology 8.5.8.
- Is there a fix for CVE-2026-87397?
- 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-2026-87397 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-87397?
- 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
An easily exploitable vulnerability in Outside In Core (version 8.5.8) allows unauthenticated attackers with network access via HTTP to compromise the system. The attack requires user interaction but no authentication, leading to complete takeover with confidentiality, integrity, and availability impacts.
Affected products
- Oracle Outside In Technology 8.5.8
Timeline
- 2026-10-20: advisory