CVE-2026-102361
mall4j through 4.0 Missing Authentication in Password Update Endpoint
- State
- Published
- Severity
- 9.3 Critical
- Published
- Sep 28, 2026
- Updated
- Oct 1, 2026
- Reserved
- Sep 28, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 9.1 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | VulnCheck |
Weaknesses
- CWE-306 Missing Authentication for Critical Function
Affected Products
| Product | Versions |
|---|---|
mall4jgz-yami |
|
References
- https://github.com/LinYuanyi1/cve-request-poc/blob/114b3f0d149e50a7678f591bf8043399fc9ac96c/mall4j/A01_updatepwd_account_takeover.pyexploit
- https://github.com/gz-yami/mall4jproduct
- https://github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-shop-api/src/main/java/com/yami/shop/api/controller/UserRegisterController.java#L78-L100technical-description
- VulnCheck Advisory: mall4j through 4.0 Missing Authentication in Password Update Endpointthird-party-advisory
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