Description
mall4j through 4.0 fails to validate the sysType field in sa-token sessions, allowing storefront customers to authenticate as back-office users by reusing their session tokens. Attackers can register on the public storefront and use their customer session token to access admin endpoints lacking @PreAuthorize permission checks, including menu listings, file uploads, and configuration endpoints.
Published: 2026-09-28
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 29 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 29 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Gz-yami
Gz-yami mall4j
Vendors & Products Gz-yami
Gz-yami mall4j

Mon, 28 Sep 2026 23:45:00 +0000

Type Values Removed Values Added
Description mall4j through 4.0 fails to validate the sysType field in sa-token sessions, allowing storefront customers to authenticate as back-office users by reusing their session tokens. Attackers can register on the public storefront and use their customer session token to access admin endpoints lacking @PreAuthorize permission checks, including menu listings, file uploads, and configuration endpoints.
Title mall4j through 4.0 Improper Authentication Accepts Storefront Tokens on Admin API
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-29T17:34:55.288Z

Reserved: 2026-09-28T22:50:19.220Z

Link: CVE-2026-102364

cve-icon Vulnrichment

Updated: 2026-09-29T17:34:51.174Z

cve-icon NVD

Status : Received

Published: 2026-09-29T00:17:03.633

Modified: 2026-09-29T18:17:07.460

Link: CVE-2026-102364

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-29T13:19:52Z

Weaknesses