CVE-2026-42158

LOW

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

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v4 2.3
EPSS 0.0017
EPSS Percentile 6.6%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-284
Status published
Products (1)
reconurge/flowsint < 1.2.3
Published May 12, 2026
Tracked Since May 13, 2026