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SamsungPassAutofill CVE-2026-21081

| EUVDEUVD-2026-55106 MEDIUM
Improper Export of Android Application Components (CWE-926)
2026-08-10 SamsungMobile GHSA-425r-57mx-xgj9
5.1
CVSS 4.0 · Vendor: SamsungMobile
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Severity by source

Vendor (SamsungMobile) PRIMARY
5.1 MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
5.0 MEDIUM

Local vector with low-privilege co-resident app, user interaction required to trigger the exported component, and high confidentiality impact with no integrity or availability effect.

3.1 AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
4.0 AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (SamsungMobile).

CVSS VectorVendor: SamsungMobile

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
A
Scope
X

Lifecycle Timeline

1
Analysis Generated
Aug 10, 2026 - 09:10 vuln.today

DescriptionCVE.org

Improper export of android application components in SamsungPassAutofill prior to version 5.2.10.x allows local attackers to access sensitive information. User interaction is required for triggering this vulnerability.

AnalysisAI

SamsungPassAutofill prior to version 5.2.10.x on Samsung Android devices improperly exports application components, enabling a locally-installed malicious app to access sensitive autofill credential data with user interaction. The CVSS 4.0 vector (AV:L/PR:L/UI:A/VC:H) confirms the attack is constrained to on-device, low-privilege access requiring user-triggered activity, yielding a moderate score of 5.1 despite high confidentiality impact. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a malicious application to be installed on the same Samsung Android device running a vulnerable version of SamsungPassAutofill (prior to 5.2.10.x). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N captures the core risk profile: local-only attack, low attacker privilege (a co-resident app), mandatory user interaction, and high confidentiality impact confined to the vulnerable system. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update SamsungPassAutofill to version 5.2.10.x or later, delivered via Samsung's monthly security update or through the Galaxy Store. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-21081 vulnerability details – vuln.today

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