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TI-2026-17019 Aliases CVE-2026-21002GHSA-52q6-xhg6-rw2j

Improper signature verification in Samsung Galaxy Store

Priority LOW 25CWE-347Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-347.

Summary

Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows local attacker to install arbitrary application.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00073 0th percentileScored 2026-11-07
Fix Fixed Galaxy Store (Samsung Mobile): 4.6.03.8

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
SamsungGalaxy Store—4.6.03.8Patch availableCNA
  • Galaxy Store VendorSamsung Affected — Fixed in 4.6.03.8 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:samsung:galaxy_store:*:*:*:*:*:*:*:*before 4.6.03.8VulnerableSamsung
  • cpe:2.3:a:samsung:galaxy_store:*:*:*:*:*:*:*:* Versions before 4.6.03.8 Vulnerable ·Samsung

Remediation

  • Fix · CNA Galaxy Store (Samsung Mobile) Fixed in 4.6.03.8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-21002
  2. 2026-10-03 Alias added: GHSA-52q6-xhg6-rw2j

References

Advisory 1

  • TI-2023-07917 Improper input validation in Samsung Galaxy Store CVSS 3.1CRITICAL 9.6
  • TI-2023-07916 Improper input validation in Samsung Galaxy Store CVSS 3.1HIGH 8.8
  • TI-2023-22730 Improper URL validation from MCSLaunch deeplink in Galaxy Store prior to version 4.5.64.4… CVSS 3.1CRITICAL 9.8
  • TI-2023-07835 Improper input validation in Samsung Galaxy Store CVSS 3.1MEDIUM 6.2
  • TI-2023-07834 Improper authorization in Samsung Galaxy Store CVSS 3.1HIGH 7.8
  • TI-2023-07915 Improper input validation in Samsung Galaxy Store CVSS 3.1HIGH 8.8
See all 30 →

Sources

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