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CVE-2026-54378

9.6, critical

Shenzhen Shine Industrial Co., Ltd. VitaFit Insufficiently Protected Credentials Vulnerability

CVSS
9.6, critical critical CVSS v3.1
EPSS, next 30 days
n/a
Exploitation
No public evidence
Published
4 Nov 2026yesterday

Description

VitaFit cloud API before 2026-10-30 contained a broken access control vulnerability that allows any authenticated user to obtain temporary AWS credentials by calling the POST /front/user/s3/token/ endpoint. Attackers can use these improperly scoped credentials to list the shared storage bucket and read or overwrite other users' stored files, enabling unauthorized cross-user data access and manipulation.

Details

Vendor
Shenzhen Shine Industrial Co., Ltd.
Product
VitaFit
Weakness
CWE-522 (opens in a new tab)
Status
Received
Updated
4 Nov 2026
Assigner
disclosure@vulncheck.com

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

References 3

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Shenzhen Shine Industrial Co., Ltd. CVEs

Every Shenzhen Shine Industrial Co., Ltd. CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-54384 VitaFit cloud API before 2026-10-30 contained an authentication bypass vulnerability that allows remote attackers to obtain a full… 9.8, critical
  • CVE-2026-54372 VitaFit Android application (com.vt.vitafit) before 2.8.1.0 contains an insecure TLS/SSL certificate validation vulnerability that… 8.8, high
  • CVE-2026-54374 Shenzhen Shine Industrial Co., Ltd. VitaFit Use of Hard-coded Credentials Vulnerability 7.5, high
  • CVE-2026-54375 Shenzhen Shine Industrial Co., Ltd. VitaFit Insufficient Session Expiration Vulnerability 8.4, high
  • CVE-2026-54376 VitaFit Android application (com.vt.vitafit) before 2.8.1.0 contains an insecure custom URI scheme vulnerability that allows a malicious… 8.2, high
  • CVE-2026-54381 Shenzhen Shine Industrial Co., Ltd. VitaFit Incorrect Permission Assignment for Critical Resource Vulnerability 7.5, high
  • CVE-2026-54382 VitaFit cloud API before 2026-10-30 contained an improper access control vulnerability in its Cognito-issued AWS role that allows… 7.7, high

Beyond this page

Is CVE-2026-54378 in your network?

This page tells you how dangerous CVE-2026-54378 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 5 Nov 2026, not the live upstream state.