CVE-2026-101632: Oracle MySQL Router information disclosure via HTTPS

CVE-2026-101632 · Severity: medium · CVSS 4.3 · Published 2026-10-20

MySQL Router is a lightweight middleware that routes database connections for MySQL clusters. An unauthenticated attacker with network access can read sensitive data from the Router through HTTPS if a user is tricked into interacting with a malicious request. This could expose database routing configuration and operational details.

Technologies: Oracle MySQL Router. Vendors: Oracle.

Quick answers

Is CVE-2026-101632 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-101632 being exploited in the wild.
How severe is CVE-2026-101632?
Medium severity, with a CVSS score of 4.3, published 20 October 2026.
Which products and versions are affected?
Oracle MySQL Router 26.7.0.
Is there a fix for CVE-2026-101632?
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-2026-101632 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-101632?
Check whether you run Oracle MySQL Router 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 information disclosure vulnerability in MySQL Router's general routing component allows unauthenticated network attackers to read a subset of Router-accessible data via HTTPS. The attack requires user interaction (UI:R) and has no impact on integrity or availability. The vulnerability is present in version 26.7.0.

Affected products

  • Oracle MySQL Router 26.7.0

Timeline

  • 2026-10-20: disclosed

References

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