CVE-2026-102361: gz-yami mall4j · Missing Authentication
Affects gz-yami mall4jSource CVE Database V5
Not known to be exploited · CVSS 9.3 Critical.
Data as of 12 Nov 2026, 23:24 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 28 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| gz-yamimall4j | Affected
| Fixed in– |
GitHubmall4jpkg:github/mall4jOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Until an official fix is available, restrict access to the affected endpoint or implement additional authentication controls to prevent unauthorized password resets.
Description
CVE-2026-102361 is a critical vulnerability in gz-yami mall4j versions up to 4.0 that allows unauthenticated attackers to reset any storefront account password via the PUT /user/updatePwd endpoint. This missing authentication flaw enables attackers to specify a target username and overwrite passwords without verification, leading to account takeover and unauthorized access to orders and personal data.
References
- github.com/LinYuanyi1/cve-request-poc/blob/114b3f0d149e50a7678f591bf8043399fc9ac96c/mall4j/A01_updatepwd_account_takeover.py (opens in a new tab)
- github.com/gz-yami/mall4j (opens in a new tab)
- github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-shop-api/src/main/java/com/yami/shop/api/controller/UserRegisterController.java (opens in a new tab)
- vulncheck.com/advisories/mall4j-through-4.0-missing-authentication-in-password-update-endpoint (opens in a new tab)