CVE-2026-102367
mall4j through 4.0 Insufficient Session Expiration via Token Refresh
gz-yami mall4j
CVSS
5.3MediumExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 29 Sep 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.18%Chance of exploitation activity in the next 30 days, higher than 6% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
mall4j through 4.0 contains an insufficient session expiration vulnerability in the token refresh endpoint that fails to validate the enabled flag when issuing new sessions. Disabled user accounts can indefinitely renew their sessions through the POST /token/refresh endpoint, retaining access that account disabling was intended to remove.
Text from CVE List
Affected versions 1
- mall4jaffected: all versions through 4.0CVE List
References 5
- github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-shop-security/yami-shop-security-common/src/main/java/com/yami/shop/security/common/manager/TokenStore.java#L121-L130Advisoryvia CVE List
- github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-shop-security/yami-shop-security-common/src/main/java/com/yami/shop/security/common/controller/TokenController.java#L38-L44Advisoryvia CVE List
- vulncheck.com/advisories/mall4j-through-4.0-insufficient-session-expiration-via-token-refreshAdvisoryvia CVE List
- github.com/LinYuanyi1/cve-request-poc/blob/114b3f0d149e50a7678f591bf8043399fc9ac96c/mall4j/T02_refresh_token_enabled_bypass.pyExploitvia CVE List
- github.com/gz-yami/mall4jReferencevia CVE List