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CVE-2026-63637— Dgraph: DQL Injection via unvalidated regexp filter argument in GraphQL query rewriter

Quick assessment

Affected
dgraph-io dgraph
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Dgraph是Dgraph组织开源的一款图形数据库。 Dgraph存在输入验证错误漏洞，该漏洞源于未对 格式进行加引号处理或验证。

CVSS 8.6 · High EPSS 0.41% · P33

Affected Version Matrix 1

VendorProduct Version RangeStatus
dgraph-io dgraph < 25.3.8 affected
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I. Basic Information for CVE-2026-63637

Vulnerability Information
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Vulnerability Title
Dgraph: DQL Injection via unvalidated regexp filter argument in GraphQL query rewriter
Source: CVE Program / CVE List V5
Vulnerability Description
Dgraph is an open source distributed GraphQL database. Prior to 25.3.8, maybeQuoteArg in graphql/resolve/query_rewriter.go passes regexp filter strings into generated DQL without quoting or validating the /pattern/flags form, allowing crafted GraphQL query or mutation filters to inject DQL operators, disclose unintended nodes, or expand modification and deletion targets. This issue is fixed in version 25.3.8.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
数据查询逻辑中特殊元素的不当中和
Source: CVE Program / CVE List V5
Vulnerability Title
Dgraph 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dgraph是Dgraph组织开源的一款图形数据库。 Dgraph存在输入验证错误漏洞，该漏洞源于未对 `/pattern/flags` 格式进行加引号处理或验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
dgraph-io dgraph < 25.3.8 -

II. Public POCs for CVE-2026-63637

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6793 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
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III. Intelligence Information for CVE-2026-63637

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Patches & Fixes for CVE-2026-63637 (1)

Vendor Advisories for CVE-2026-63637 (1)

IV. Related Vulnerabilities

Same product: dgraph
Same vendor: dgraph-io
Same weakness: CWE-943

V. Comments for CVE-2026-63637

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