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Calculator Lock EUVDEUVD-2026-83460

| CVE-2026-77875 MEDIUM
Insecure Storage of Sensitive Information (CWE-922)
2026-09-19 help@fluidattacks.com GHSA-92ph-4c2m-29x6
6.8
CVSS 4.0 · Vendor: fluidattacks
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Severity by source

Vendor (fluidattacks) PRIMARY
6.8 MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/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
5.5 MEDIUM

Local shared-storage access via authorized ADB shell or co-resident app implies AV:L and PR:L; only vaulted data confidentiality is affected, so C:H with 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 (fluidattacks).

CVSS VectorVendor: fluidattacks

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

3
Metadata Corrected
Sep 19, 2026 - 00:40 vuln.today
tag: Android added
Metadata Corrected
Sep 19, 2026 - 00:40 vuln.today
tag: Hashicorp removed
Analysis Generated
Sep 19, 2026 - 00:28 vuln.today

DescriptionCVE.org

The application protects access through its calculator-style vault passcode, but the stored data is not bound to that authentication boundary. A local actor who can access shared external storage, such as through an authorized non-root ADB shell or another local file-reading context with suitable storage access, can copy the SQLite database and media files directly without entering the vault passcode.

AnalysisAI

Local file disclosure in Calculator Lock for Android allows a local actor with shared external storage access, such as an authorized non-root ADB shell or a co-resident file-reading app, to copy the vault's SQLite database and media files without entering the calculator passcode. The published CVSS is 6.8, and the independent assessment (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) confirms high confidentiality impact with no integrity or availability impact; the passcode still gates the in-app UI. …

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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 Requires LOCAL access to the device's shared external storage where the vault app writes its SQLite database and media files - specifically an authorized (non-root) ADB shell (USB debugging enabled and the host authorized) or another local file-reading context/app with suitable storage-read access. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuine but low-urgency issue. … 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 No vendor-released patch identified at time of analysis; no fixed version is specified in the available intelligence, so users should monitor the Fluid Attacks advisory (https://fluidattacks.com/advisories/grin) and the Google Play listing (https://play.google.com/store/apps/details?id=com.macymind.calculatorlock) for an updated app release. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-83460 vulnerability details – vuln.today

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