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CVE-2026-102364— mall4j through 4.0 Improper Authentication Accepts Storefront Tokens on Admin API

Quick assessment

Affected
gz-yami mall4j
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 mall4j 4.0 及之前版本中，系统未能对 sa-token 会话中的 字段进行有效验证，导致前台客户可以通过复用其会话令牌，冒充后台管理员用户完成身份认证。攻击者可在公开商店注册后，使用其客户会话令牌访问缺乏 权限检查的后台管理接口，包括菜单列表、文件上传和系统配置等敏感端点。

CVSS 5.4 · Medium
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I. Basic Information for CVE-2026-102364

Vulnerability Information
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Vulnerability Title
mall4j through 4.0 Improper Authentication Accepts Storefront Tokens on Admin API
Source: CVE Program / CVE List V5
Vulnerability Description
mall4j through 4.0 fails to validate the sysType field in sa-token sessions, allowing storefront customers to authenticate as back-office users by reusing their session tokens. Attackers can register on the public storefront and use their customer session token to access admin endpoints lacking @PreAuthorize permission checks, including menu listings, file uploads, and configuration endpoints.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
gz-yami mall4j 0 ~ 4.0 -

II. Public POCs for CVE-2026-102364

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III. Intelligence Information for CVE-2026-102364

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Other References for CVE-2026-102364 (5)

Same Patch Batch · gz-yami · 2026-09-28 · 7 CVEs total

CVE-2026-102361 9.1 CRITICAL mall4j through 4.0 Missing Authentication in Password Update Endpoint
CVE-2026-102365 6.5 MEDIUM mall4j through 4.0 Missing Authorization in Admin User Address Endpoints
CVE-2026-102367 5.4 MEDIUM mall4j through 4.0 Insufficient Session Expiration via Token Refresh
CVE-2026-102362 5.3 MEDIUM mall4j through 4.0 Missing Authentication in Product Review Deletion
CVE-2026-102366 4.4 MEDIUM mall4j through 4.0 Unrestricted File Upload in Admin File Endpoints
CVE-2026-102363 3.7 LOW mall4j through 4.0 Unauthenticated Shipment Tracking Disclosure via Order Number

IV. Related Vulnerabilities

Same product: mall4j
Same vendor: gz-yami
Same weakness: CWE-287

V. Comments for CVE-2026-102364

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