Quick answers
- Is CVE-2026-91341 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91341 being exploited in the wild.
- How severe is CVE-2026-91341?
- Critical severity, with a CVSS score of 9.1, published 20 October 2026.
- Which products and versions are affected?
- Oracle Outside In Technology 8.5.8.
- Is there a fix for CVE-2026-91341?
- 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-2026-91341 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-91341?
- 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 the Outside In Clean Content SDK (version 8.5.8) allows unauthenticated network attackers to send malicious HTTP requests that corrupt data integrity and trigger denial-of-service conditions. The attack requires no authentication, no special configuration, and no user interaction, making it trivial to exploit from the network.
Affected products
- Oracle Outside In Technology 8.5.8
Timeline
- 2026-10-20: disclosed