Quick answers
- Is CVE-2026-91343 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91343 being exploited in the wild.
- How severe is CVE-2026-91343?
- 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-2026-91343?
- 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-2026-91343 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-91343?
- 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
This is an integrity vulnerability in the Outside In Clean Content SDK (version 8.5.8) that allows unauthenticated network attackers to compromise data without authentication or user interaction. The vulnerability has scope change, meaning successful exploitation can impact systems beyond Oracle Outside In Technology itself. The attack vector is HTTP-based and results in unauthorized creation, deletion, or modification of critical data.
Affected products
- Oracle Outside In Technology 8.5.8
Timeline
- 2026-10-20: disclosed