Dgraph Open Source Database Vulnerability in Query Rewriter
CVE-2026-63637

8.6HIGH

Key Information:

Vendor

Dgraph-io

Status
Dgraph
Vendor
CVE Published:
6 August 2026

What is CVE-2026-63637?

A flaw in Dgraph's handling of GraphQL query and mutation filters allows attackers to inject DQL operators by passing unvalidated regex filter strings. This vulnerability could lead to the unauthorized disclosure of data and could expand the scope of modification or deletion actions on the database. Users are advised to upgrade to Dgraph version 25.3.8 or later, where this issue has been resolved.

Affected Version(s)

dgraph < 25.3.8

References

https://github.com/dgraph-io/dgraph/security/advisories/G...
x_refsource_CONFIRM
https://github.com/dgraph-io/dgraph/commit/aaff09ab9608f8...
x_refsource_MISC

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.