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HarmonyOS CVE-2026-49313

| EUVDEUVD-2026-74617 MEDIUM
Permissions, Privileges, and Access Controls (CWE-264)
2026-09-09 psirt@huawei.com GHSA-ccc7-256w-2774
5.5
CVSS 3.1 · Vendor: huawei
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Severity by source

Vendor (huawei) PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
vuln.today AI
5.5 MEDIUM

Local access with low privileges matches a standard device user bypassing app lock; impact is read-only, so I:N/A:N.

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

Primary rating from Vendor (huawei).

CVSS VectorVendor: huawei

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

1
Analysis Generated
Sep 09, 2026 - 06:36 vuln.today

DescriptionCVE.org

Permission control vulnerability in the app lock module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

AnalysisAI

Permission control bypass in HarmonyOS 6.1.0's app lock module allows a local low-privileged user to circumvent locking protections and read content belonging to locked applications. The flaw is rooted in CWE-264, indicating improper enforcement of permission restrictions within the module. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Exploitation requires local access to a HarmonyOS 6.1.0 device with a standard (low-privilege) user account - a logged-in user or a process running at the user privilege level. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS base score of 5.5 (Medium) is consistent with a local, non-escalatable confidentiality flaw. … 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 Apply the patch distributed via Huawei's September 2026 security bulletin at https://consumer.huawei.com/en/support/bulletin/2026/9/. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-49313 vulnerability details – vuln.today

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