Quick answers
- Is CVE-2026-91340 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91340 being exploited in the wild.
- How severe is CVE-2026-91340?
- 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-2026-91340?
- 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-2026-91340 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-91340?
- 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 Oracle Outside In Technology's Clean Content SDK allows low-privileged attackers with network access via HTTP to achieve privilege escalation or complete system compromise. The vulnerability requires low privilege access and no user interaction; successful exploitation results in unauthorized access to confidentiality, integrity, and availability of the affected system.
Affected products
- Oracle Outside In Technology 8.5.8
Timeline
- 2026-10-20: advisory