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Improper input validation in Samsung Contacts prior to SMR Aug-2026 Release 1 allows local attackers to delete file with Samsung Contacts' privilege. (CVE-2026-21058)

0
Medium
Published: 08/10/2026 (08/10/2026, 09:31:22 UTC)
Source: GCVE Database

Description

CVE-2026-21058 is a vulnerability in Samsung Contacts prior to the SMR Aug-2026 Release 1 that allows local attackers to delete files with the privileges of the Samsung Contacts application due to improper input validation.

CVSS v3.1

Score 7.1high

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/19/2026, 16:25:33 UTC

Technical Analysis

This vulnerability involves improper input validation in Samsung Contacts versions before the SMR Aug-2026 Release 1. It enables a local attacker with limited privileges to delete files with the same privileges as the Samsung Contacts app. The CVSS 3.1 base score is 7.1, indicating a moderate severity level. The vulnerability is classified under CWE-20 (Improper Input Validation). No specific affected versions are provided, and no patch links or vendor advisories are included in the data.

Potential Impact

A local attacker can exploit this vulnerability to delete files with the privileges of the Samsung Contacts application, potentially leading to denial of service or data loss within the context of the app's permissions. There is no indication of confidentiality or availability impact beyond the deletion of files, and no known exploits are reported in the wild.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor Samsung's security advisories for updates and apply the SMR Aug-2026 Release 1 or later once available to remediate this issue.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-q5p9-3rc7-39gw
Osv Schema Version
1.4.0
Aliases
["CVE-2026-21058"]
Database Specific Severity
MODERATE
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6a79f0e1bf8831d539f62bb4

Added to database: 08/10/2026, 15:40:17 UTC

Last enriched: 08/19/2026, 16:25:33 UTC

Last updated: 09/22/2026, 16:35:35 UTC

Views: 42

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