What’s Vulnerable › Vulnerabilities

CVE-2026-44840: Dgraph Vulnerable to DQL Injection via checkUserPassword GraphQL Query

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-08 · updated 2026-10-25
• Weakness: CWE-943

Description

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.

Affected products

• dgraph-io dgraph: before 25.3.4

References

• 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

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