CVE-2026-54384
Critical
Description
VitaFit cloud API before 2026-10-30 contained an authentication bypass vulnerability that allows remote attackers to obtain a full session for a victim's account by submitting a linked Google or Facebook account identifier to the POST /front/login/sns/ endpoint without providing proof of ownership from the identity provider. Attackers can forge a login using an identifier exposed through account enumeration to read and modify the victim's profile and delete the account's authentication record, preventing the legitimate user from logging in.
SeverityCritical
CVSS9.8
Exploit probability—
ProductVitaFit
PublishedNov 4, 2026
First seenNov 5, 2026
Weakness typeCWE-290CWE-290
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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