CVE-2026-54382

HIGH 7.7

VitaFit Cloud API AWS IAM Misconfiguration via Cognito S3 Access

CVSS Score

7.7

EPSS Score

0.0%

EPSS Percentile

0th

VitaFit cloud API before 2026-10-30 contained an improper access control vulnerability in its Cognito-issued AWS role that allows authenticated attackers to perform s3:PutObject operations across the entire shared bucket instead of being restricted to their own folder. Attackers can overwrite other users' objects in the shared S3 bucket using credentials obtained via CVE-2026-54378, destroying original content without triggering deletion protections.

CWE	CWE-266
Vendor	shenzhen shine industrial co., ltd.
Product	vitafit
Published	Nov 4, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

High

Availability

None

Affected Versions

Shenzhen Shine Industrial Co., Ltd. / VitaFit

0 < 2026-10-30

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/je-lv/vitafit-security-research play.google.com: https://play.google.com/store/apps/details?id=com.vt.vitafit vulncheck.com: https://www.vulncheck.com/advisories/vitafit-cloud-api-aws-iam-misconfiguration-via-cognito-s3-access

Credits

Jose Lomeli