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CVE-2026-92263— SparkyFitness: Authenticated OS command injection (host RCE) via backup-restore filename in POST /api/admin/backup/restore

Quick assessment

Affected
CodeWithCJ SparkyFitness
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.

SparkyFitness 是一款面向家庭、自托管且由人工智能驱动的健康与健身追踪工具。在 1.6.0 版本之前，其 接口会将用户上传的文件名直接嵌入到 shell 命令中进行执行。若经过身份验证的全局管理员上传一个包含 shell 元字符（metacharacters）的伪造文件名的恢复归档文件，攻击者即可利用此漏洞以服务器进程权限执行任意操作系统命令。该问题已在 1.6.0 版本中修复。

CVSS 7.2 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
CodeWithCJ SparkyFitness < 1.6.0 affected
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I. Basic Information for CVE-2026-92263

Vulnerability Information
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Vulnerability Title
SparkyFitness: Authenticated OS command injection (host RCE) via backup-restore filename in POST /api/admin/backup/restore
Source: CVE Program / CVE List V5
Vulnerability Description
SparkyFitness is a self-hosted, AI-powered health and fitness tracker for families. Prior to 1.6.0, the api/admin/backup/restore endpoint interpolates an uploaded filename into a shell command. An authenticated global administrator uploads a restore archive with a crafted filename. The administrator can supply a restore archive with a filename containing shell metacharacters. Successful exploitation can execute arbitrary operating-system commands with the server process privileges. This issue is fixed in version 1.6.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
CodeWithCJ SparkyFitness < 1.6.0 -

II. Public POCs for CVE-2026-92263

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III. Intelligence Information for CVE-2026-92263

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Patches & Fixes for CVE-2026-92263 (1)

Vendor Advisories for CVE-2026-92263 (1)

IV. Related Vulnerabilities

Same product: SparkyFitness
Same vendor: CodeWithCJ
Same weakness: CWE-78

V. Comments for CVE-2026-92263

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