{"id":"CVE-2026-121628","title":"Bagisto before 2.3.16 and 2.4.x before 2.4.1 Race Condition in Coupon Usage Accounting","summary":"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 ord…","severity":"low","cvss":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","cvssSource":"cna","cwe":["CWE-362"],"vendor":"bagisto","product":"bagisto","affected":["bagisto < 2.3.16","bagisto >= 2.4.0 < 2.4.1"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-03T22:38:09.792685Z"},"exploitAvailable":true,"published":"2026-11-03","updated":"2026-11-03","sourceUpdated":"2026-11-03T22:41:07.843Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121628","references":[{"url":"https://github.com/bagisto/bagisto/commit/81cb2a2a35b355492f704fd216d679f2145a5650"},{"url":"https://github.com/bagisto/bagisto/commit/1f57c10eb9cb61b37de4706ffa439fd26aa7c405","label":"Patch Commit"},{"url":"https://github.com/bagisto/bagisto/releases/tag/v2.3.16","label":"bagisto v2.3.16 Release Notes"},{"url":"https://github.com/bagisto/bagisto/releases/tag/v2.4.1","label":"bagisto v2.4.1 Release Notes"},{"url":"https://gist.github.com/Ayxpp/5358d9fff045e94e0ddb51677ed5d195"},{"url":"https://github.com/bagisto/bagisto/blob/v2.4.0/packages/Webkul/CartRule/src/Listeners/Order.php#L30-L95"},{"url":"https://github.com/bagisto/bagisto"},{"url":"https://www.vulncheck.com/advisories/bagisto-before-2.3.16-and-2.4-x-before-2.4.1-race-condition-in-coupon-usage-accounting","label":"VulnCheck Advisory: Bagisto before 2.3.16 and 2.4.x before 2.4.1 Race Condition in Coupon Usage Accounting"}],"tags":["cve.org","exploit-available"],"epss":0.00273,"epssPercentile":0.19799,"ingestedAt":"2026-11-05T20:33:06.605Z","slug":"CVE-2026-121628","body":"## Overview\n\nBagisto 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.\n\n## Affected\n\n- `bagisto < 2.3.16`\n- `bagisto >= 2.4.0 < 2.4.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":32,"depthScoreParts":{"impact":20.4,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}