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Flowsint CVE-2026-32311

| EUVD-2026-23946 CRITICAL
OS Command Injection (CWE-78)
2026-04-20 GitHub_M
9.3
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

7
Analysis Updated
Apr 21, 2026 - 15:27 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Apr 21, 2026 - 15:22 vuln.today
cvss_changed
Analysis Generated
Apr 20, 2026 - 20:33 vuln.today
CVSS changed
Apr 20, 2026 - 20:22 NVD
9.3 (CRITICAL)
EUVD ID Assigned
Apr 20, 2026 - 20:00 euvd
EUVD-2026-23946
Analysis Generated
Apr 20, 2026 - 20:00 vuln.today
CVE Published
Apr 20, 2026 - 19:56 nvd
CRITICAL 9.3

DescriptionNVD

Flowsint is an open-source OSINT graph exploration tool designed for cybersecurity investigation, transparency, and verification. Flowsint allows a user to create investigations, which are used to manage sketches and analyses. Sketches have controllable graphs, which are comprised of nodes and relationships. The sketches contain information on an OSINT target (usernames, websites, etc) within these nodes and relationships. The nodes can have automated processes execute on them called 'transformers'. A remote attacker can create a sketch, then trigger the 'org_to_asn' transform on an organization node to execute arbitrary OS commands as root on the host machine via shell metacharacters and a docker container escape. Commit b52cbbb904c8013b74308d58af88bc7dbb1b055c appears to remove the code that causes this issue.

AnalysisAI

Remote code execution with container escape in Flowsint OSINT tool allows unauthenticated attackers to execute arbitrary OS commands as root on the host machine. The vulnerability exploits shell metacharacter injection in the 'org_to_asn' transformer when processing organization nodes in OSINT sketches. …

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RemediationAI

Within 24 hours: Immediately isolate or air-gap all Flowsint instances from internet access; disable or restrict network access to the 'org_to_asn' transformer functionality if possible; audit logs for exploitation attempts (shell metacharacter injection patterns in org node processing). Within 7 days: Contact Flowsint vendor for release date of patched version containing commit b52cbbb904c; implement network segmentation if Flowsint cannot be removed; deploy Web Application Firewall (WAF) rules to block requests with shell metacharacters to Flowsint endpoints if temporary internet exposure is unavoidable. …

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CVE-2026-32311 vulnerability details – vuln.today

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