CVE-2026-21134
Received Received - Intake

Improper Authentication in Samsung Flow

Publication date: 2026-10-12

Last updated on: 2026-10-12

Assigner: Samsung Mobile

Description
Improper authentication in Samsung Flow prior to version 4.9.22.4 allows adjacent attackers to access sensitive information.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-12
Last Modified
2026-10-12
Generated
2026-10-12
AI Q&A
2026-10-12
EPSS Evaluated
N/A
NVD
CVE-2026-21134
EUVD
EUVD-2026-97198

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
samsung samsung_flow to 4.9.22.4 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is an improper authentication issue in Samsung Flow software versions before 4.9.22.4. It allows attackers within close physical proximity to bypass authentication and access sensitive information without proper credentials.

Impact Analysis

If you use Samsung Flow prior to version 4.9.22.4, an attacker nearby could access your sensitive data such as files, messages, or personal information stored or transmitted through the app. This could lead to privacy breaches or identity theft.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Organizations using affected versions may face compliance violations and potential fines.

Mitigation Strategies

Update Samsung Flow to version 4.9.22.4 or later to address the improper authentication issue.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-21134. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart