What’s Vulnerable › Vulnerabilities

CVE-2026-42156: Flowsint: Cypher query injection in node type on node creation

• Severity: high (CVSS 7.1 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-12 · updated 2026-10-26
• Weakness: CWE-943

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.

Affected products

• reconurge flowsint: before 1.2.3

References

• https://github.com/reconurge/flowsint/security/advisories/GHSA-h5m2-c2c5-968p
• https://github.com/reconurge/flowsint/security/advisories/GHSA-h5m2-c2c5-968p

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