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.
CVE-2026-102364
Score 5.4 from GitHub Security Advisory published 2026-09-29. A secondary CVSS source baseline 5.4; sources differ by 0.0.
- Lower severity and no public exploit yet
No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.
- CVSS v3
- 5.4
- EG Score
- 5.4MEDIUMhigh confidence
- EG Risk
- 40EG Risk 40/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity54% × 45%Exploitation40% × 40%Automatability0% × 15%CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix. - EPSS PROB
- 0.2%
- EPSS %ILE
- 6th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).
No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
September 28, 2026
Last Modified
September 30, 2026
Advisory Details (5)
Auto-updated Sep 28, 2026mall4j through 4.0 Improper Authentication Accepts Storefront Tokens on Admin API | Advisories | VulnCheck
https://www.vulncheck.com/advisories/mall4j-through-4.0-improper-authentication-accepts-storefront-tokens-on-admin-apimall4j/yami-shop-security/yami-shop-security-common/src/main/java/com/yami/shop/security/common/filter/AuthFilter.java at ffc672fc1aa4320ce02d0b93853bb456ae0a4dae · gz-yami/mall4j · GitHub
https://github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae/yami-shop-security/yami-shop-security-common/src/main/java/com/yami/shop/security/common/filter/AuthFilter.java#L60-L119GitHub - gz-yami/mall4j: ⭐️⭐️⭐️ 电商商城 小程序电商商城系统 PC商城 H5商城 APP商城 Java商城 O2O商城 跨境商城 · GitHub
https://github.com/gz-yami/mall4jcve-request-poc/mall4j/A09_admin_read_endpoints_bfla.py at 114b3f0d149e50a7678f591bf8043399fc9ac96c · LinYuanyi1/cve-request-poc · GitHub
https://github.com/LinYuanyi1/cve-request-poc/blob/114b3f0d149e50a7678f591bf8043399fc9ac96c/mall4j/A09_admin_read_endpoints_bfla.pycve-request-poc/mall4j/A05_sys_menu_missing_perm.py at 114b3f0d149e50a7678f591bf8043399fc9ac96c · LinYuanyi1/cve-request-poc · GitHub
https://github.com/LinYuanyi1/cve-request-poc/blob/114b3f0d149e50a7678f591bf8043399fc9ac96c/mall4j/A05_sys_menu_missing_perm.pyVendor Advisories for CVE-2026-102364(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 18× in last 7d / 18× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-10-03 16:29 UTCEG score recompute
- 2026-10-03 16:29 UTCGHSA enrichment
- 2026-10-03 14:25 UTCEPSS rescore
- 2026-10-02 16:55 UTCEG score recompute
- 2026-10-02 16:55 UTCGHSA enrichment
- 2026-10-01 19:49 UTCEPSS rescore
- 2026-10-01 17:21 UTCGHSA enrichment
- 2026-09-30 17:47 UTCEG score recompute
- 2026-09-30 17:47 UTCGHSA enrichment
- 2026-09-30 15:02 UTCEPSS rescore
- 2026-09-29 18:32 UTCEG score recompute
- 2026-09-29 18:32 UTCGHSA enrichment
- 2026-09-29 17:55 UTCEG score recompute
- 2026-09-29 17:54 UTCGHSA enrichment
- 2026-09-29 15:20 UTCEPSS rescore
- 2026-09-29 00:19 UTCEG score recompute
- 2026-09-28 23:48 UTCEG score recompute
- 2026-09-28 23:46 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-102364?
When was CVE-2026-102364 disclosed?
Is CVE-2026-102364 actively exploited?
What is the CVSS score of CVE-2026-102364?
How do I remediate CVE-2026-102364?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-102364
Is Your Infrastructure Affected by CVE-2026-102364?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.