CVE-2026-42158

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

LOW

2.3

CVSS Score

Published: May 12, 2026 at 11:01 PM UTC

Updated: October 26, 2026 at 06:10 PM UTC

1 product affected across 1 vendorFlowsint

Using flowsint by reconurge?

Get instant alerts when new vulnerabilities affect flowsint - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

LOW2.3

Exploit prediction

EPSS 0.2%

SSVC

PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Flowsint · Reconurge

90%

v < 1.2.3

Affected range stops below 1.2.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRM

Source: cverecord

https://github.com/reconurge/flowsint/security/advisories/GHSA-5h6v-5hv3-3jjw

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.3LOWGitHub_M

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-284

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card