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

Source: https://junglewise.ai/threats/cve-2026-101632-vulnerability-in-the-mysql-router-product-of-oracle-mysql  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/mysql-router). Vendors: [Oracle](https://junglewise.ai/threats/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

- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

## Related threats

- [Oracle MySQL Router denial of service via network protocols](https://junglewise.ai/threats/cve-2026-101810-vulnerability-in-the-mysql-router-product-of-oracle-mysql)
- [Oracle MySQL Router data access vulnerability](https://junglewise.ai/threats/cve-2026-101783-vulnerability-in-the-mysql-router-product-of-oracle-mysql)
- [Oracle MySQL Router information disclosure vulnerability](https://junglewise.ai/threats/cve-2026-101633-vulnerability-in-the-mysql-router-product-of-oracle-mysql)
- [Oracle MySQL Router authentication bypass in HTTPS endpoint](https://junglewise.ai/threats/cve-2026-101631-vulnerability-in-the-mysql-router-product-of-oracle-mysql)
- [Oracle MySQL Router data compromise in Router General component](https://junglewise.ai/threats/cve-2026-60725-oracle-mysql-router-data-compromise-in-router-general-component)
