{"id":"CVE-2026-102361","published":"2026-09-29T00:17:03.183","lastModified":"2026-09-29T00:17:03.183","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.","cvssScore":9.1,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","cwes":["CWE-306"],"vendors":[],"products":[],"references":[{"url":"https://github.com/LinYuanyi1/cve-request-poc/blob/114b3f0d149e50a7678f591bf8043399fc9ac96c/mall4j/A01_updatepwd_account_takeover.py","tags":[]},{"url":"https://github.com/gz-yami/mall4j","tags":[]},{"url":"https://github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-shop-api/src/main/java/com/yami/shop/api/controller/UserRegisterController.java#L78-L100","tags":[]},{"url":"https://www.vulncheck.com/advisories/mall4j-through-4.0-missing-authentication-in-password-update-endpoint","tags":[]}],"exploitRefs":[{"url":"https://github.com/LinYuanyi1/cve-request-poc/blob/114b3f0d149e50a7678f591bf8043399fc9ac96c/mall4j/A01_updatepwd_account_takeover.py","tags":[]},{"url":"https://github.com/gz-yami/mall4j","tags":[]},{"url":"https://github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-shop-api/src/main/java/com/yami/shop/api/controller/UserRegisterController.java#L78-L100","tags":[]}],"hasPoc":true,"ai":{"summary":"The flaw allows unauthenticated attackers to reset any storefront account password through the PUT /user/updatePwd endpoint, enabling account takeover and access to sensitive data.","exploitability":"Exploitation is relatively easy as it requires no authentication and can be performed by supplying a target username in the request body.","blast_radius":"If exploited, attackers can gain full access to orders and personal data of any storefront account, leading to significant data breaches and potential financial loss.","remediation":"Upgrade to mall4j 4.0 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["auth-bypass","web","password-reset"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-09-29T08:55:51.977Z"}}