Quick answers
- Is CVE-2026-101794 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-101794 being exploited in the wild.
- How severe is CVE-2026-101794?
- Medium severity, with a CVSS score of 6.5, published 20 October 2026.
- Which products and versions are affected?
- Oracle MySQL Server 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; Oracle Mysql Cluster 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1.
- Is there a fix for CVE-2026-101794?
- 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-2026-101794 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-101794?
- Check whether you run Oracle MySQL Server or Oracle Mysql Cluster 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
The vulnerability exists in the Server: XML component and is easily exploitable via network access by a low-privileged attacker with authentication credentials. Successful exploitation causes a hang or crash (denial of service) without affecting data confidentiality or integrity. This is a resource exhaustion or input validation flaw in XML processing logic.
Affected products
- Oracle MySQL Server 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1
- Oracle MySQL Cluster 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1
Timeline
- 2026-10-20: disclosed