CVE-2026-54383— VitaFit Cloud API Excessive Data Exposure via relation/search Endpoint

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，VitaFit 云端 API 存在过度数据暴露漏洞。该漏洞允许任何已认证用户通过调用接口，查询并获取用户记录中的个人身份信息（PII）及与健康相关的个人资料信息。攻击者可利用重叠的字母数字搜索词来枚举用户目录，从而收集用户的标识符、电子邮件地址、生日、性别、身高、体重目标、电话号码以及 Firebase 用户 ID（UID）。

CVSS 6.5 · Medium Updated Nov 05, 2026

Possible ATT&CK Techniques 2 AI

T1087 · Account Discovery T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

VitaFit Cloud API Excessive Data Exposure via relation/search Endpoint

Source: CVE Program / CVE List V5

Vulnerability Description

VitaFit cloud API before 2026-10-30 contained an excessive data exposure vulnerability that allows any authenticated user to query the GET /front/relation/search/ endpoint and retrieve PII and health-related profile information for user records. Attackers can enumerate the user directory using overlapping alphanumeric search terms to harvest identifiers, emails, birthdays, gender, height, weight goals, phone numbers, and Firebase UIDs.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

授权机制缺失

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-2026-54383

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-54383

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Other References for CVE-2026-54383 (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-excessive-data-exposure-via-relation-search-endpoint third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-54383

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-2026-54381	7.5 HIGH	VitaFit Cloud API Storage Bucket Unauthenticated Access Information Disclosure
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-862