Vulnerability in Gz-Yami Mall4j
CVE-2026-102367
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.
Published .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/LinYuanyi1/cve-request-poc/blob/114b3f0d149e50a7678f591bf8043399fc9a… (exploit)
- github.com/gz-yami/mall4j (product)
- github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-sh… (technical-description)
- github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-sh… (technical-description)
- www.vulncheck.com/advisories/mall4j-through-4.0-insufficient-session-expiration… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-102367?
- CVE-2026-102367 is a medium-severity vulnerability in Gz-Yami Mall4j, classified under Insufficient Session Expiration. CVSS score: 5.4/10. Published 2026-09-29.
- How severe is CVE-2026-102367?
- Medium severity. CVSS v3 base score is 5.4 out of 10.