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TI-2026-70853 Aliases CVE-2026-21131GHSA-5vp3-8vhq-vxhf

Samsung Flow flaw lets local attackers launch arbitrary activities

Priority LOW 10CWE-276Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Samsung Flow before version 4.9.22.4 has an incorrect default permission (CWE-276) that lets a local attacker launch an arbitrary activity with Samsung Flow privileges on the connected device. The attacker needs only local access with no privileges and no user interaction. CVSS 4.0 rates the impact on confidentiality, integrity and availability of the vulnerable system as none, with a low base score of 2.1.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00105 1st percentileScored 2026-11-07
Fix Fixed Samsung Flow (Samsung Mobile): 4.9.22.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SamsungSamsung Flow—4.9.22.4Patch availableCNA
  • Samsung Flow VendorSamsung Affected — Fixed in 4.9.22.4 Patch available CNA

Remediation

Samsung Flow users should update to version 4.9.22.4 or later, which fixes this flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA Samsung Flow (Samsung Mobile) Fixed in 4.9.22.4

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-21131
  2. 2026-10-12 Alias added: GHSA-5vp3-8vhq-vxhf
  3. 2026-10-16 Weakness changed · CISA ADP
  4. 2026-10-16 CISA SSVC decision points changed

References

Other 1

  • TI-2025-15039 Out-of-bounds write in Samsung Mobile Devices KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-15038 Out-of-bounds write in Samsung Mobile Devices KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-04133 Path traversal in Samsung MagicINFO 9 Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-06858 Path traversal in Samsung MagicINFO 9 Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-00916 Integer overflow in Adobe Flash Player before 18.0.0.333 and 19.x through 21.x before… KEVCVSS 3.1HIGH 8.8
  • TI-2022-06595 An improper check or handling of exceptional conditions in NPU driver prior to SMR… KEVCVSS 3.1HIGH 7.8
See all 2043 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences