CVE-2026-63637: CWE-943: Improper Neutralization of Special Elements in Data Query Logic in dgraph-io dgraph
Dgraph versions prior to 25.3.8 contain a vulnerability where crafted GraphQL query or mutation filters can inject DQL operators due to improper neutralization of special elements in data query logic. This flaw allows attackers to disclose unintended nodes or expand modification and deletion targets. The issue is fixed in version 25.3.8.
AI Analysis
Technical Summary
Dgraph, an open source distributed GraphQL database, has a vulnerability identified as CVE-2026-63637 (CWE-943) involving improper neutralization of special elements in data query logic. Specifically, the function maybeQuoteArg in graphql/resolve/query_rewriter.go passes regular expression filter strings into generated DQL without quoting or validating the /pattern/flags form. This allows crafted GraphQL queries or mutations to inject DQL operators, potentially leading to unauthorized data disclosure or unintended expansion of modification and deletion targets. The vulnerability is resolved in version 25.3.8.
Potential Impact
An attacker can exploit this vulnerability to inject DQL operators via specially crafted GraphQL queries or mutations, which may disclose unintended nodes in the database or expand the scope of data modification and deletion operations beyond intended limits. This can lead to high confidentiality impact, low integrity impact, and low availability impact as per the CVSS vector.
Mitigation Recommendations
Upgrade to Dgraph version 25.3.8 or later, where this vulnerability has been fixed. No other mitigation or temporary workaround is indicated in the available data.
CVE-2026-63637: CWE-943: Improper Neutralization of Special Elements in Data Query Logic in dgraph-io dgraph
Description
Dgraph versions prior to 25.3.8 contain a vulnerability where crafted GraphQL query or mutation filters can inject DQL operators due to improper neutralization of special elements in data query logic. This flaw allows attackers to disclose unintended nodes or expand modification and deletion targets. The issue is fixed in version 25.3.8.
CVSS v3.1
Score 8.6high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Dgraph, an open source distributed GraphQL database, has a vulnerability identified as CVE-2026-63637 (CWE-943) involving improper neutralization of special elements in data query logic. Specifically, the function maybeQuoteArg in graphql/resolve/query_rewriter.go passes regular expression filter strings into generated DQL without quoting or validating the /pattern/flags form. This allows crafted GraphQL queries or mutations to inject DQL operators, potentially leading to unauthorized data disclosure or unintended expansion of modification and deletion targets. The vulnerability is resolved in version 25.3.8.
Potential Impact
An attacker can exploit this vulnerability to inject DQL operators via specially crafted GraphQL queries or mutations, which may disclose unintended nodes in the database or expand the scope of data modification and deletion operations beyond intended limits. This can lead to high confidentiality impact, low integrity impact, and low availability impact as per the CVSS vector.
Mitigation Recommendations
Upgrade to Dgraph version 25.3.8 or later, where this vulnerability has been fixed. No other mitigation or temporary workaround is indicated in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-07-17T14:11:15.482Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a750707bf8831d5395f5ac3
Added to database: 08/06/2026, 22:13:27 UTC
Last enriched: 08/06/2026, 22:56:24 UTC
Last updated: 08/06/2026, 23:21:05 UTC
Views: 2
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