CVE-2026-21133

5.1Medium

Published 12 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash

5.1Medium

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: None
Impact: Limited impact
Weakness: CWE-22

Impact

A local attacker can read unauthorized clipboard data without elevated privileges. They only need local access to run code on the device.

Root cause

Improper input validation leads to a path traversal vulnerability that exposes sensitive clipboard content.

Affected systems

Samsung Flow prior to version 4.9.22.1

CVSS v4.0 · CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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

Fix & remediation

Upgrade Samsung Flow to version 4.9.22.1 or later via the Galaxy Store or Google Play Store. If patching must wait, disable or uninstall the Samsung Flow application.

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

Path traversal in Samsung Flow prior to version 4.9.22.1 allows local attackers to access clipboard data.

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=10

Source: nvd.nist.gov/vuln/detail/CVE-2026-21133