CVE-2026-21131

Unauthorized Activity Launch via Incorrect Default Permission in Samsung Flow

Published Oct 12, 2026 CVSS 4.0 · 2.1 Low EPSS < 1% KEV · Not listed
Description
Incorrect default permission in Samsung Flow prior to version 4.9.22.4 allows local attackers to launch an arbitrary activity with Samsung Flow privileges on the connected device.

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
Weaknesses CWE-276
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 Unauthorized Activity Launch via Incorrect Default Permission in Samsung Flow
Weaknesses CWE-284
Type Values Removed Values Added
Description Incorrect default permission in Samsung Flow prior to version 4.9.22.4 allows local attackers to launch an arbitrary activity with Samsung Flow privileges on the connected device.
References
Metrics cvssV4_0

{'score': 2.1, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
SamsungMobile
Published
Updated
Oct 15, 2026, 4:40 PM
Reserved
Dec 11, 2025, 1:33 AM
Status
Awaiting Analysis
Published
Oct 12, 2026, 5:17 AM
Modified
Oct 15, 2026, 5:17 PM