CVE-2026-102361 mall4j - Authentication Bypass

mall4j through 4.0 contains a broken authentication vulnerability caused by missing authentication in the PUT /user/updatePwd endpoint, letting unauthenticated attackers reset any storefront account password, exploit requires no authentication.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.37% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Access Control, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
29 September 2026
Updated
15 October 2026
Weakness
CWE-306

Vendor fix

Update to the latest version that fixes the missing authentication in the PUT /user/updatePwd endpoint.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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