---
title: "CVE-2026-111440: openGauss-connector-jdbc - Unsafe Class Loading"
description: "openGauss-connector-jdbc >= 1.1.0 contains an insecure class loading vulnerability caused by missing asSubclass(Log.class) validation in LogFactory, letting attackers controlling JDBC URL logger class name trigger unintended class loading and constructor side effects on client, exploit requires attacker-controlled logger class name and presence of malicious class in client classpath."
url: https://panop.io/threat-heartbeat/CVE-2026-111440/
---

# CVE-2026-111440 openGauss-connector-jdbc - Unsafe Class Loading

openGauss-connector-jdbc >= 1.1.0 contains an insecure class loading vulnerability caused by missing asSubclass(Log.class) validation in LogFactory, letting attackers controlling JDBC URL logger class name trigger unintended class loading and constructor side effects on client, exploit requires attacker-controlled logger class name and presence of malicious class in client classpath.

CVSS base score 7.0 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.22% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-111440)

## Details

Type

Unsafe Class Loading

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

19 October 2026

Updated

20 October 2026

Weakness

[CWE-470](https://cwe.mitre.org/data/definitions/470.html)

## Vendor fix

Update to version 7.0.0-LTS or later where asSubclass(Log.class) validation is enforced.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-111440](https://nvd.nist.gov/vuln/detail/CVE-2026-111440)
- [https://gitcode.com/opengauss/openGauss-connector-jdbc/pull/423](https://gitcode.com/opengauss/openGauss-connector-jdbc/pull/423)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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