CVE-2026-44840

Dgraph is an open source distributed GraphQL database. Prior to version 25.3.4, the `checkUserPassword` GraphQL query in Dgraph is vulnerable to DQL (Dgraph Query Language) injection. User-supplied password values are interpolated directly into a DQL `checkpwd()` query via `fmt.Sprintf` without any escaping or parameterization. An attacker can inject a password containing a double-quote character to break out of the DQL string literal and append arbitrary DQL query blocks. Version 25.3.4 patches the issue.

• CWE-943

• https://github.com/dgraph-io/dgraph/commit/cee702c93f141eeb0c96a81f70830ec9e459efac
• https://github.com/dgraph-io/dgraph/releases/tag/v25.3.4
• https://github.com/dgraph-io/dgraph/security/advisories/GHSA-q2m9-6jp9-c6mc
• https://github.com/dgraph-io/dgraph/security/advisories/GHSA-q2m9-6jp9-c6mc

Published

Jul 8, 2026

Last Modified

Jul 9, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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