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.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00273.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
bagisto bagisto unaffected
Version Status Constraints
0 affected < 2.3.16
2.4.0 affected < 2.4.1
2.3.16 unaffected —
2.4.1 unaffected —

No data.

No data.

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Vendors Products
Webkul Subscribe
Bagisto Subscribe

Project Subscriptions

Vendors Products
Webkul Subscribe
Bagisto Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://gist.github.com/Ayxpp/5358d9fff045e94e0ddb51677ed5d195 cve-icon cve-icon
https://github.com/bagisto/bagisto cve-icon cve-icon
https://github.com/bagisto/bagisto/blob/v2.4.0/packages/Webkul/CartRule/src/Listeners/Order.php#L30-L95 cve-icon cve-icon
https://github.com/bagisto/bagisto/commit/1f57c10eb9cb61b37de4706ffa439fd26aa7c405 cve-icon cve-icon
https://github.com/bagisto/bagisto/commit/81cb2a2a35b355492f704fd216d679f2145a5650 cve-icon cve-icon
https://github.com/bagisto/bagisto/releases/tag/v2.3.16 cve-icon cve-icon
https://github.com/bagisto/bagisto/releases/tag/v2.4.1 cve-icon cve-icon
https://www.vulncheck.com/advisories/bagisto-before-2.3.16-and-2.4-x-before-2.4.1-race-condition-in-coupon-usage-accounting cve-icon cve-icon
History

Tue, 03 Nov 2026 23:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Tue, 03 Nov 2026 17:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Bagisto before 2.3.16 and 2.4.x before 2.4.1 Race Condition in Coupon Usage Accounting
First Time appeared Webkul
Webkul bagisto
Weaknesses CWE-362
CPEs cpe:2.3:a:webkul:bagisto:*:*:*:*:*:*:*:*
Vendors & Products Webkul
Webkul bagisto
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-03T22:41:07.843Z

Reserved: 2026-11-03T16:57:45.219Z

Link: CVE-2026-121628

cve-icon Vulnrichment

Updated: 2026-11-03T22:38:10.506Z

cve-icon NVD

Status : Received

Published: 2026-11-03T18:17:58.990

Modified: 2026-11-03T23:17:35.873

Link: CVE-2026-121628

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-04T06:15:11Z

Weaknesses