CVE-2026-121945
Published:November 04, 2026
Updated:November 12, 2026
CoopCycle coopcycle-web before 6.20.1 contains a broken access control vulnerability that allows any courier to read and modify every incident because Incident operations only check ROLE_COURIER. Attackers can enumerate sequential incident ids and use PUT /api/incidents/{id}/action to re-price, cancel or reschedule other stores' orders and tasks.
Affected Packages
https://github.com/coopcycle/coopcycle-web.git (GITHUB):
Affected version(s) >=v2.4.0-incidents-preview <v6.20.1 || >=v3.0.0-beta4 <v6.20.1 || =3.2.0 <v6.20.1 || >=v4.0.0 <v6.20.1 || >=v5.0.0-beta1 <v6.20.1 || >=v6.0.0-beta1 <v6.20.1Fix Suggestion:
Update to version v6.20.1Related Resources (9)
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Contact UsCVSS v4
Base Score:
7.2
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.6
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
LOW
Weakness Type (CWE)
Authorization Bypass Through User-Controlled Key
EPSS
Base Score:
0.41