CVE-2026-54382
High
Description
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.
SeverityHigh
CVSS7.7
Exploit probability—
ProductVitaFit
PublishedNov 4, 2026
First seenNov 5, 2026
Weakness typeCWE-266CWE-266
How to fix
Update
- Shenzhen Shine Industrial Co., Ltd. VitaFit2026-10-30 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Shenzhen Shine Industrial Co., Ltd. VitaFit | v < 2026-10-30 | 2026-10-30 |
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