CVE-2025-69871
February 11, 2026
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.
Affected Packages
https://github.com/medusajs/medusa.git (GITHUB):
Affected version(s) >=@medusajs/medusa@1.0.11 <@medusajs/medusa@2.12.0Fix Suggestion:
Update to version @medusajs/medusa@2.12.0https://github.com/medusajs/medusa.git (GITHUB):
Affected version(s) >=@medusajs/utils@0.0.2-rc.0 <@medusajs/utils@2.12.0Fix Suggestion:
Update to version @medusajs/utils@2.12.0https://github.com/medusajs/medusa.git (GITHUB):
Affected version(s) >=@medusajs/promotion@0.0.2-snapshot-20240108100013 <@medusajs/promotion@2.12.0Fix Suggestion:
Update to version @medusajs/promotion@2.12.0https://github.com/medusajs/medusa.git (GITHUB):
Affected version(s) >=@medusajs/dashboard@0.0.1 <@medusajs/dashboard@2.12.0Fix Suggestion:
Update to version @medusajs/dashboard@2.12.0https://github.com/medusajs/medusa.git (GITHUB):
Affected version(s) >=v0.1.0-alpha.0 <v2.12.0Fix Suggestion:
Update to version v2.12.0@medusajs/dashboard (NPM):
Affected version(s) >=0.0.1 <2.12.0Fix Suggestion:
Update to version 2.12.0@medusajs/utils (NPM):
Affected version(s) >=0.0.1 <2.12.0Fix Suggestion:
Update to version 2.12.0@medusajs/types (NPM):
Affected version(s) >=0.0.1 <2.12.0Fix Suggestion:
Update to version 2.12.0@medusajs/medusa (NPM):
Affected version(s) >=0.1.6-alpha.0 <2.12.0Fix Suggestion:
Update to version 2.12.0@medusajs/promotion (NPM):
Affected version(s) >=0.0.1 <2.12.0Fix Suggestion:
Update to version 2.12.0Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
EPSS
Base Score:
0.05
