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Tool Directory

CVE-2026-21002

MediumPublished

Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows local attacker to install arbitrary application.

Published: Mar 16, 2026
Updated: Mar 16, 2026
Assigning CNA: SamsungMobile
Evidence observed: Aug 13, 2026

Primary CVSS

5.9/ 10Medium

nvd · CVSS 4.0

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/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

EPSS probability estimate

0.1%

Low · next 30 days

Percentile: 0.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Improper verification of cryptographic signature in Galaxy Store prior to version 4.6.03.8 allows local attacker to install arbitrary application.

Sources

CVE-2026-21002-Serverless-Cold-Start-Credential-Leakage-via-Reused-tmpPoC
PoC exploit for CVE-2026-21002 serverless cold-start credential leakage, demonstrating how reused Lambda /tmp directories expose AWS secrets to other functions.

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