Bagisto up to 2.3.15/2.4.0 Onepage Orders Checkout manageCartRule race condition

Summaryinfo

A vulnerability has been found in Bagisto up to 2.3.15/2.4.0 and classified as problematic. The impacted element is the function manageCartRule of the component Onepage Orders Checkout. Performing a manipulation results in race condition. This vulnerability was named CVE-2026-121628. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Bagisto up to 2.3.15/2.4.0. It has been classified as problematic. This affects the function manageCartRule of the component Onepage Orders Checkout. The manipulation with an unknown input leads to a race condition vulnerability. CWE is classifying the issue as CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. This is going to have an impact on integrity. The summary by CVE is:

Bagisto before 2.3.16 and 2.4.x before 2.4.1 contains a race condition vulnerability in manageCartRule() that allows attackers to redeem single-use coupons multiple times. Attackers can submit concurrent order requests to the onepage orders checkout endpoint, bypassing unlocked times_used checks to apply discounts repeatedly.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-121628 since 11/03/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2.3.16 or 2.4.1 eliminates this vulnerability.

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Productinfo

Name

• Bagisto

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.3.0
• 2.3.1
• 2.3.2
• 2.3.3
• 2.3.4
• 2.3.5
• 2.3.6
• 2.3.7
• 2.3.8
• 2.3.9
• 2.3.10
• 2.3.11
• 2.3.12
• 2.3.13
• 2.3.14
• 2.3.15
• 2.4.0

Website

• Product: https://github.com/bagisto/bagisto/

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