CVE-2026-42158

Flowsint: Broken Access Control allows modification of investigation metadata from any user

Published May 12, 2026 CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
Description
Flowsint is an open-source OSINT graph exploration tool designed for cybersecurity investigation, transparency, and verification. Prior to 1.2.3, an adversary with knowledge of an investigation ID, could update the metadata of an investigation of another user. This vulnerability is fixed in 1.2.3.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Reconurge
Reconurge flowsint
Vendors & Products Reconurge
Reconurge flowsint
Type Values Removed Values Added
Description Flowsint is an open-source OSINT graph exploration tool designed for cybersecurity investigation, transparency, and verification. Prior to 1.2.3, an adversary with knowledge of an investigation ID, could update the metadata of an investigation of another user. This vulnerability is fixed in 1.2.3.
Title Flowsint: Broken Access Control allows modification of investigation metadata from any user
Weaknesses CWE-284
References
Metrics cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
May 14, 2026, 12:38 PM
Reserved
Apr 24, 2026, 5:15 PM
Status
Deferred
Published
May 12, 2026, 11:16 PM
Modified
Oct 26, 2026, 6:10 PM