CVE-2026-54381— VitaFit Cloud API Storage Bucket Unauthenticated Access Information Disclosure

Quick assessment

Affected

Shenzhen Shine Industrial Co., Ltd. VitaFit

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 2026 年 10 月 30 日之前的 VitaFit 云 API 存在云存储桶配置错误漏洞，允许未经认证的攻击者在无需身份验证的情况下列出并下载已存储的文件。攻击者可枚举该公开可访问的存储桶，其中包含 129,947 个对象（包括 126,881 张用户上传的个人资料图片），从而在无需凭据的情况下获取敏感个人信息。

CVSS 7.5 · High Updated Nov 05, 2026

Possible ATT&CK Techniques 1 AI

T1039 · Data from Network Shared Drive

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Vulnerability Information

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Vulnerability Title

VitaFit Cloud API Storage Bucket Unauthenticated Access Information Disclosure

Source: CVE Program / CVE List V5

Vulnerability Description

VitaFit cloud API before 2026-10-30 contained a misconfigured cloud storage bucket vulnerability that allows unauthenticated attackers to list and download stored files without authentication. Attackers can enumerate the publicly accessible bucket containing 129,947 objects, including 126,881 user-uploaded profile images, to access sensitive personal data without credentials.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

关键资源的不正确权限授予

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Shenzhen Shine Industrial Co., Ltd.	VitaFit	0 ~ 2026-10-30	-

II. Public POCs for CVE-2026-54381

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-54381

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Other References for CVE-2026-54381 (3)

https://play.google.com/store/apps/details?id=com.vt.vitafit product
https://github.com/je-lv/vitafit-security-research technical-description exploit
https://www.vulncheck.com/advisories/vitafit-cloud-api-storage-bucket-unauthenticated-access-information-disclosure third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-54381

Same Patch Batch · Shenzhen Shine Industrial Co., Ltd. · 2026-11-04 · 12 CVEs total

CVE-2026-54384	9.8 CRITICAL	VitaFit Cloud API Authentication Bypass via POST /front/login/sns/
CVE-2026-54378	9.6 CRITICAL	VitaFit Cloud API Broken Access Control via S3 Token Endpoint
CVE-2026-54372	8.8 HIGH	VitaFit Android < 2.8.1.0 Insecure TLS Certificate Validation
CVE-2026-54375	8.4 HIGH	VitaFit Android < 2.8.1.0 Long-Lived Session Token Exposure
CVE-2026-54376	8.2 HIGH	VitaFit Android < 2.8.1.0 Custom URI Scheme Token Hijacking
CVE-2026-54382	7.7 HIGH	VitaFit Cloud API AWS IAM Misconfiguration via Cognito S3 Access
CVE-2026-54374	7.5 HIGH	VitaFit Android < 2.8.1.0 Hardcoded Credentials Disclosure
CVE-2026-54383	6.5 MEDIUM	VitaFit Cloud API Excessive Data Exposure via relation/search Endpoint
CVE-2026-54377	6.5 MEDIUM	VitaFit Cloud API IDOR via profile_id Endpoints
CVE-2026-54380	5.4 MEDIUM	VitaFit Cloud API Stored XSS via SVG File Upload
CVE-2026-54373	3.5 LOW	VitaFit Android < 2.8.1.0 Cleartext Traffic via Missing Network Security Config

IV. Related Vulnerabilities

Same product: VitaFit

Same vendor: Shenzhen Shine Industrial Co., Ltd.

Same weakness: CWE-732