{"id":"CVE-2026-47741","state":"PUBLISHED","title":"Shopper: Race condition on Discount.usage_limit allows silent over-redemption","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.","publishedAt":"2026-05-29T18:02:13.168Z","updatedAt":"2026-05-29T19:18:41.685Z","severity":{"score":5.9,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["shopperlabs shopper"],"affected":[{"vendor":"shopperlabs","product":"shopper","versions":[{"version":"< 2.8.0","status":"affected"}]}],"references":["https://github.com/shopperlabs/shopper/security/advisories/GHSA-9rh9-hf3w-9fgg","https://github.com/shopperlabs/shopper/issues/510","https://github.com/shopperlabs/shopper/pull/511"],"weaknesses":["CWE-362"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/47xxx/CVE-2026-47741.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47741","state":"PUBLISHED","datePublished":"2026-05-29T18:02:13.168Z","dateUpdated":"2026-05-29T19:18:41.685Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-19T22:16:39.504Z"},"containers":{"cna":{"title":"Shopper: Race condition on Discount.usage_limit allows silent over-redemption","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"shopperlabs","product":"shopper","versions":[{"version":"< 2.8.0","status":"affected"}]}],"references":[{"url":"https://github.com/shopperlabs/shopper/security/advisories/GHSA-9rh9-hf3w-9fgg","name":"https://github.com/shopperlabs/shopper/security/advisories/GHSA-9rh9-hf3w-9fgg","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/shopperlabs/shopper/issues/510","name":"https://github.com/shopperlabs/shopper/issues/510","tags":["x_refsource_MISC"]},{"url":"https://github.com/shopperlabs/shopper/pull/511","name":"https://github.com/shopperlabs/shopper/pull/511","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-362","lang":"en","description":"CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-29T18:02:13.168Z"},"source":{"advisory":"GHSA-9rh9-hf3w-9fgg","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/shopperlabs/shopper/issues/510","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-29T19:18:13.721164Z","id":"CVE-2026-47741","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-29T19:18:41.685Z"}}]}}}