CVE-2026-42156— Flowsint: Cypher query injection in node type on node creation
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I. Basic Information for CVE-2026-42156
Vulnerability Information
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Vulnerability Title
Flowsint: Cypher query injection in node type on node creation
Source: NVD (National Vulnerability Database)
Vulnerability Description
Flowsint is an open-source OSINT graph exploration tool designed for cybersecurity investigation, transparency, and verification. Prior to 1.2.3, a remote attacker can create a node with a malicious type that can escape an existing Cypher query and an adversary can execute an arbitrary Cypher query. This vulnerability is fixed in 1.2.3.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
数据查询逻辑中特殊元素的不当中和
Source: NVD (National Vulnerability Database)
Vulnerability Title
Flowsint 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flowsint是reconurge开源的一个开源情报图形化调查工具。 Flowsint 1.2.3之前版本存在安全漏洞，该漏洞源于恶意节点类型可逃逸现有Cypher查询，可能导致远程攻击者执行任意Cypher查询。
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
II. Public POCs for CVE-2026-42156
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Same Patch Batch · reconurge · 2026-05-12 · 4 CVEs total
| CVE-2026-42157 | Flowsint: Stored XSS on map node marker in map page | |
| CVE-2026-42158 | Flowsint: Broken Access Control allows modification of investigation metadata from any use | |
| CVE-2026-44352 | Flowsint: Broken Access Control allows reading of sketch logs from any user |
IV. Related Vulnerabilities
Same product: flowsint
- CVE-2026-42159
Flowsint: Stored XSS in description of node - CVE-2026-42158
Flowsint: Broken Access Control allows modification of inves - CVE-2026-42157
Flowsint: Stored XSS on map node marker in map page - CVE-2026-44352
Flowsint: Broken Access Control allows reading of sketch log - CVE-2026-32311
Command Injection and Docker container escape allows root on
Same vendor: reconurge
- CVE-2026-42159
Flowsint: Stored XSS in description of node - CVE-2026-42158
Flowsint: Broken Access Control allows modification of inves - CVE-2026-42157
Flowsint: Stored XSS on map node marker in map page - CVE-2026-44352
Flowsint: Broken Access Control allows reading of sketch log - CVE-2026-32311
Command Injection and Docker container escape allows root on
Same weakness: CWE-943
- CVE-2026-42316
KQL injection via kusto.tables.topics.mapping in kafka-sink- - CVE-2026-33566
LogonTracer 安全漏洞 - CVE-2026-41327
Dgraph: Pre-Auth Full Database Exfiltration via DQL Injectio - CVE-2026-41328
Dgraph: Pre-Auth Full Database Exfiltration via DQL Injectio - CVE-2026-41274
Flowise: Cypher Injection in GraphCypherQAChain
V. Comments for CVE-2026-42156
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