Quick answers
- Is CVE-2026-87304 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-87304 being exploited in the wild.
- How severe is CVE-2026-87304?
- High severity, with a CVSS score of 8.6, published 20 October 2026.
- Which products and versions are affected?
- Oracle Outside In Technology 8.5.8.
- Is there a fix for CVE-2026-87304?
- 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-2026-87304 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-87304?
- 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 network-accessible vulnerability in Oracle Outside In Core (version 8.5.8) allows unauthenticated remote attackers to access critical data via HTTP. The vulnerability has scope change implications, meaning exploitation can affect systems beyond the vulnerable component itself. The attack requires no user interaction or privileges and results in high confidentiality impact with no integrity or availability impact.
Affected products
- Oracle Outside In Technology 8.5.8
Timeline
- 2026-10-20: disclosed