CVE-2026-16212 in django-shop
Summary
by MITRE • 07/19/2026
A vulnerability was identified in awesto django-shop up to 1.2.4. Affected is an unknown function of the file shop/models/inventory.py of the component Purchase Stock Handler. The manipulation leads to race condition. The attack is possible to be carried out remotely. The attack is considered to have high complexity. The exploitability is told to be difficult. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
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Analysis
by VulDB Data Team • 07/19/2026
This vulnerability resides within the awesto django-shop framework version 1.2.4 and earlier, specifically targeting the purchase stock handler functionality located in shop/models/inventory.py. The flaw represents a race condition vulnerability that occurs during concurrent access to inventory management operations, creating a critical security weakness in the system's transaction handling mechanisms. The race condition manifests when multiple simultaneous requests attempt to modify stock levels, potentially leading to inconsistent inventory states and unauthorized stock manipulation. This particular vulnerability is classified as having high attack complexity due to the sophisticated nature of exploiting concurrent processing issues, requiring precise timing and conditions to successfully execute.
The remote exploitability of this vulnerability means that attackers can leverage network-based attacks without requiring physical access to the system or direct interaction with the underlying infrastructure. The publicly available exploit demonstrates that security researchers have already developed working proof-of-concept code that could be readily adapted for malicious use. This public availability significantly increases the risk profile as it removes the barrier to entry for potential attackers who may not possess advanced exploitation skills. The vulnerability's difficulty level indicates that while not trivial to exploit, it represents a substantial threat given the framework's widespread adoption and the nature of the underlying race condition.
The operational impact of this vulnerability extends beyond simple inventory discrepancies to potentially enable unauthorized stock manipulation that could result in financial losses, inventory shortages, or overcommitment scenarios. The race condition could allow attackers to bypass normal stock validation mechanisms, leading to situations where products appear available for purchase when they are actually out of stock, or conversely, where inventory levels are incorrectly reduced. This type of vulnerability directly impacts the integrity of the e-commerce platform's core business logic and customer trust in the system's reliability. The lack of response from the project maintainers following the initial issue report creates a dangerous window where organizations continue to operate with exposed systems while the vulnerability remains unpatched.
Organizations utilizing this version of django-shop should immediately implement mitigation strategies including thorough code review, network segmentation, and enhanced monitoring of inventory-related transactions. The vulnerability aligns with CWE-362, which specifically addresses race conditions in concurrent programming environments, and represents a significant concern under the ATT&CK framework's privilege escalation techniques where attackers might leverage such flaws to gain unauthorized access to system resources. The recommended immediate actions include upgrading to patched versions of the framework, implementing additional transaction controls, and establishing more robust inventory validation mechanisms that can detect and prevent inconsistent state changes during concurrent operations.