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 ↗

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

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

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