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CVE-2025-69871

CVE-2025-69871

CVSS 8.1 HIGHEPSS 0.4%CWE-362
A race condition vulnerability exists in MedusaJS Medusa v2.12.2 and earlier in the registerUsage() function of the promotion module. The function performs a non-atomic read-check-update operation when enforcing promotion usage limits. This allows unauthenticated remote attackers to bypass usage limits by sending concurrent checkout requests, resulting in unlimited redemptions of limited-use promotional codes and potential financial loss.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
n/a · n/a

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Referências
https://github.com/EthanKim88/ethan-cve-disclosures/blob/main/CVE-2025-69871-MedusaJS-TOCTOU.mdhttps://github.com/medusajs/medusahttps://github.com/medusajs/medusa/pull/13760