CVE-2026-21135

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Improper Access Control in Samsung Internet

Publication date: 2026-10-12

Last updated on: 2026-10-16

Assigner: Samsung Mobile

Description

Improper access control in Samsung Internet prior to version 30.0.5.6 allows local attackers to access sensitive information.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-12

Last Modified

2026-10-16

Generated

2026-10-19

AI Q&A

2026-10-12

EPSS Evaluated

2026-10-18

NVD

CVE-2026-21135

EUVD

EUVD-2026-97199

Affected Vendors & Products

Vendor	Product	Version / Range
samsung	samsung_internet	30.0.5.6

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This vulnerability is an improper access control issue in Samsung Internet before version 30.0.5.6. It allows local attackers to access sensitive information due to insufficient restrictions on user permissions.

Detection Guidance

Detection requires checking the installed version of Samsung Internet. If the version is below 30.0.5.6, the system is vulnerable. Use package managers like 'apt list --installed | grep samsung-internet' on Linux or check the app version in system settings on mobile devices.

Impact Analysis

If you use an affected version of Samsung Internet, a local attacker could exploit this flaw to access your sensitive data, such as browsing history, saved passwords, or other private information stored in the app.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, potentially violating GDPR (if EU user data is exposed) or HIPAA (if protected health information is compromised). Organizations may face compliance penalties if user data is accessed without authorization.

Mitigation Strategies

Update Samsung Internet to version 30.0.5.6 or later to address the improper access control issue.

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