CVE-2026-121455

Medium

Description

DbGate before 7.3.3 contains a missing authorization vulnerability that allows connection-restricted authenticated users to bypass LOGIN_PERMISSIONS because test() and save() never call testConnectionPermission. Attackers can submit arbitrary connection definitions to POST /connections/test to probe internal database hosts, or to /connections/save to overwrite stored connections.

SeverityMedium

CVSS5.4

Exploit probability—

ProductDbgate

PublishedNov 3, 2026

First seenNov 4, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

dbgate dbgate7.3.3 or later

Patches

github.com/dbgate/dbgate/commit/9166a987bfec

Affected products

Product	Affected versions	Fixed in
dbgate dbgate	v < 7.3.3	7.3.3

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