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Vulnerability record · public intelligence
CVE-2026-42156
HIGH

Flowsint: Cypher query injection in node type on node creation

Published May 12, 2026 · Updated Nov 3, 2026

Severity · CVSSHIGH · Not scored
Known exploitationNot listed
EPSS / likelihood0.35%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Nov 3, 2026

Flowsint: Cypher query injection in node type on node creation

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

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.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

FIRST-EPSSCVE-LIST-V5NVD-MODIFIED
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. Security advisory ↗

Record history

Published May 12, 2026 · Last refreshed Nov 3, 2026