CVE-2026-102361

mall4j through 4.0 contains a missing authentication vulnerability in the PUT /user/updatePwd endpoint that allows unauthenticated attackers to reset any storefront account password. Attackers can supply a target username in the request body to overwrite passwords without verification, enabling account takeover and access to orders and personal data.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/LinYuanyi1/cve-request-poc/blob/114b3f0d149e50a7678f591bf8043399fc9ac96c/mall4j/A01_updatepwd_account_takeover.py
https://github.com/gz-yami/mall4j
https://github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-shop-api/src/main/java/com/yami/shop/api/controller/UserRegisterController.java#L78-L100
https://www.vulncheck.com/advisories/mall4j-through-4.0-missing-authentication-in-password-update-endpoint

Configurations

No configuration.

History

29 Sep 2026, 00:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-29 00:17

Updated : 2026-10-01 16:17

NVD link : CVE-2026-102361

Mitre link : CVE-2026-102361

CVE.ORG link : CVE-2026-102361

JSON object : View

Products Affected

No product.

CWE

CWE-306

Missing Authentication for Critical Function

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