CVE-2026-21002
Improper Signature Verification in Galaxy Store Enables Arbitrary App Installation
Publication date: 2026-03-16
Last updated on: 2026-04-07
Assigner: Samsung Mobile
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| samsung | galaxy_store | to 4.6.03.8 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-347 | The product does not verify, or incorrectly verifies, the cryptographic signature for data. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves improper verification of cryptographic signatures in the Galaxy Store application prior to version 4.6.03.8.
Because of this flaw, a local attacker can exploit the weakness to install arbitrary applications on the device.
How can this vulnerability impact me? :
The vulnerability allows a local attacker to install arbitrary applications without proper authorization.
This can lead to unauthorized software running on your device, which may compromise device security, privacy, and data integrity.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, ensure that the Galaxy Store application is updated to version 4.6.03.8 or later, as versions prior to this contain the improper verification of cryptographic signatures that allows local attackers to install arbitrary applications.