CVE-2026-47741— Shopper: Race condition on Discount.usage_limit allows silent over-redemption
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| shopperlabs | shopper | < 2.8.0 | affected |
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I. Basic Information for CVE-2026-47741
Vulnerability Information
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Vulnerability Title
Shopper: Race condition on Discount.usage_limit allows silent over-redemption
Source: NVD (National Vulnerability Database)
Vulnerability Description
Shopper is a Headless e-commerce Admin Panel. Prior to 2.8.0, CreateOrderFromCartAction::execute previously created the Order row before checking and incrementing the discount's total_use counter. Under concurrent checkout pressure (Black Friday, flash sale, viral coupon), the global usage_limit was silently exceeded: orders were committed with the discount fully applied to price_amount while the counter blocked at usage_limit. The merchant had no signal that an over-redemption had occurred. This vulnerability is fixed in 2.8.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| shopperlabs | shopper | < 2.8.0 | - |
II. Public POCs for CVE-2026-47741
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Patches & Fixes for CVE-2026-47741 (1)
Vendor Advisories for CVE-2026-47741 (1)
Security Blog Posts for CVE-2026-47741 (1)
Same Patch Batch · shopperlabs · 2026-05-29 · 5 CVEs total
| CVE-2026-47744 | 9.9 CRITICAL | Shopper: Authorization bypass and RBAC privilege escalation in team settings |
| CVE-2026-47740 | 8.1 HIGH | Shopper: Authorization bypass in multiple Livewire admin components |
| CVE-2026-47745 | 6.5 MEDIUM | Shopper: Missing per-action authorization on PaymentMethods, Currencies and Carriers admin |
| CVE-2026-47742 | 6.5 MEDIUM | Shopper: Missing authorization on Product admin Livewire sub-form components |
IV. Related Vulnerabilities
Same product: shopper
- CVE-2026-47740
Shopper: Authorization bypass in multiple Livewire admin com - CVE-2026-47742
Shopper: Missing authorization on Product admin Livewire sub - CVE-2026-47744
Shopper: Authorization bypass and RBAC privilege escalation - CVE-2026-47745
Shopper: Missing per-action authorization on PaymentMethods, - CVE-2025-31534
WordPress Shopper plugin <= 3.2.5 - SQL Injection vulnerabil
Same vendor: shopperlabs
Same weakness: CWE-362
V. Comments for CVE-2026-47741
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