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TI-2026-85252 Aliases CVE-2026-54382GHSA-vfgc-8vj5-8w5w

Improper access control in VitaFit cloud API lets users overwrite S3 objects

Priority LOW 27CWE-266Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Privilege escalation
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266.

Summary

VitaFit cloud API before 2026-10-30 is affected. An improper access control flaw in its Cognito-issued AWS role (CWE-266) lets authenticated attackers write objects across the entire shared S3 bucket instead of only their own folder. Attackers can overwrite other users' objects using credentials obtained through CVE-2026-54378, destroying original content without triggering deletion protections. The record notes an exploit link in its references.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

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.

Why it matters now

EPSS 0.00213 11th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed VitaFit (Shenzhen Shine Industrial Co., Ltd.): 2026-10-30

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Shenzhen Shine Industrial Co., Ltd.VitaFitbefore 2026-10-302026-10-30Patch availableCNA

Remediation

Update VitaFit cloud API to version 2026-10-30 or later, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA VitaFit (Shenzhen Shine Industrial Co., Ltd.) Fixed in 2026-10-30

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Shenzhen Shine Industrial VitaFit 2026-10-30

    7 records Highest priority Priority MEDIUM 2 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2026-85254 Authentication bypass in VitaFit Cloud API login endpointPriority MEDIUM 41
    • TI-2026-85238 Broken access control in VitaFit cloud API exposes other users' filesPriority MEDIUM 40
    • TI-2026-85244 Misconfigured storage bucket in VitaFit Cloud API exposes user filesPriority LOW 38
    Show all 7 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-11-04 Threatist record created from CVE-2026-54382
  2. 2026-11-05 Alias added: GHSA-vfgc-8vj5-8w5w
  3. 2026-11-06 Priority changed: MEDIUM → LOW
  4. 2026-11-06 Affected versions changed · Red Hat
  5. 2026-11-06 CVSS score added · Red Hat

References

Exploit 1

Other 1

  • TI-2026-85254 Authentication bypass in VitaFit Cloud API login endpoint CVSS 4.0CRITICAL 9.3
  • TI-2026-85238 Broken access control in VitaFit cloud API exposes other users' files CVSS 4.0CRITICAL 9.3
  • TI-2026-85244 Misconfigured storage bucket in VitaFit Cloud API exposes user files CVSS 4.0HIGH 8.7
  • TI-2026-85234 Hardcoded credentials in VitaFit Android expose third-party secrets CVSS 4.0HIGH 8.7
  • TI-2026-85232 Insecure TLS certificate validation in VitaFit Android app CVSS 4.0HIGH 8.7
  • TI-2026-85235 VitaFit Android Long-Lived Session Token Exposure CVSS 4.0HIGH 8.6
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences