Quick answers
- Is CVE-2026-91555 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91555 being exploited in the wild.
- How severe is CVE-2026-91555?
- Medium severity, with a CVSS score of 6.1, published 20 October 2026.
- Which products and versions are affected?
- Oracle BI Publisher 8.2.0.0.0, 12.2.1.4.0, 26.01.0.0.0.
- Is there a fix for CVE-2026-91555?
- 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-2026-91555 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-91555?
- Check whether you run Oracle BI Publisher 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 unauthenticated vulnerability exists in Oracle BI Publisher's web server component that requires user interaction to exploit. The attack is network-accessible via HTTP and has a scope change, meaning successful compromise can impact additional products beyond BI Publisher itself. Exploitation grants unauthorized read and write access to accessible data.
Affected products
- Oracle BI Publisher 8.2.0.0.0, 12.2.1.4.0, 26.01.0.0.0
Timeline
- 2026-10-20: disclosed