Quick answers
- Is CVE-2026-91502 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91502 being exploited in the wild.
- How severe is CVE-2026-91502?
- High severity, with a CVSS score of 7.3, published 20 October 2026.
- Which products and versions are affected?
- Oracle WebLogic Server 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0.
- Is there a fix for CVE-2026-91502?
- 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-2026-91502 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-91502?
- Check whether you run Oracle WebLogic Server 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 exists in the Core component of Oracle WebLogic Server accessible via TLS over the network. The flaw requires no authentication or user interaction and allows unauthenticated attackers to read, modify, and delete data as well as cause partial denial of service. A fix exists for the affected versions.
Affected products
- Oracle WebLogic Server 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0
Timeline
- 2026-10-20: disclosed