Data Exposure Vulnerability in Dgraph Open Source Database
CVE-2026-41327

9.1CRITICAL

Key Information:

Vendor

Dgraph-io

Status
Dgraph
Vendor
CVE Published:
24 April 2026

What is CVE-2026-41327?

A significant vulnerability exists in Dgraph, an open-source distributed GraphQL database, where an unauthenticated attacker can gain unrestricted read access to all data. This issue arises from the default configuration lacking access control lists (ACL). An attacker must send a specially crafted HTTP POST request to the /mutate endpoint with a malicious cond field in an upsert mutation. The vulnerability stems from inadequate handling of the cond parameter, which is directly concatenated into a DQL query string. This critical oversight allows an attacker to inject additional DQL query blocks, leading to unauthorized data exposure. This issue has been resolved in Dgraph version 25.3.3, highlighting the importance of upgrading to secure configurations.

Affected Version(s)

dgraph < 25.3.3

References

https://github.com/dgraph-io/dgraph/security/advisories/G...
x_refsource_CONFIRM
https://github.com/dgraph-io/dgraph/releases/tag/v25.3.3
x_refsource_MISC

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.