CVE-2026-21134

Improper Authentication Enables Adjacent Attackers to Access Sensitive Data in Samsung Flow

Published Oct 12, 2026 CVSS 4.0 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
Improper authentication in Samsung Flow prior to version 4.9.22.4 allows adjacent attackers to access sensitive information.

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
Title Improper Authentication Enables Adjacent Attackers to Access Sensitive Data in Samsung Flow
Type Values Removed Values Added
Title Samsung Flow Improper Authentication Enables Local Disclosure of Sensitive Information
Weaknesses CWE-285
Type Values Removed Values Added
Weaknesses CWE-287
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Samsung Mobile
Samsung Mobile samsung Flow
Vendors & Products Samsung Mobile
Samsung Mobile samsung Flow
Type Values Removed Values Added
Title Samsung Flow Improper Authentication Enables Local Disclosure of Sensitive Information
Weaknesses CWE-285
Type Values Removed Values Added
Description Improper authentication in Samsung Flow prior to version 4.9.22.4 allows adjacent attackers to access sensitive information.
References
Metrics cvssV4_0

{'score': 6.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
SamsungMobile
Published
Updated
Oct 16, 2026, 4:19 PM
Reserved
Dec 11, 2025, 1:33 AM
Status
Awaiting Analysis
Published
Oct 12, 2026, 5:17 AM
Modified
Oct 16, 2026, 5:17 PM