CVE-2026-121945
CoopCycle coopcycle-web before 6.20.1 IDOR via Incident Resource and Action Endpoint
CVSS Score
7.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-639 |
| Vendor | coopcycle |
| Product | coopcycle-web |
| Published | Nov 4, 2026 |
Stay Ahead of the Next One
Get instant alerts for coopcycle coopcycle-web
Be the first to know when new high vulnerabilities affecting coopcycle coopcycle-web are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
High
Availability
Low
Affected Versions
CoopCycle / coopcycle-web
0 < 6.20.1
References
github.com: https://github.com/coopcycle/coopcycle-web/issues/5390 hackmd.io: https://hackmd.io/@hieund/coopcycle-incident-courier-cross-tenant-bola github.com: https://github.com/coopcycle/coopcycle-web/commit/d997393d128afa1febe34e8f295b9511c12d19a0 github.com: https://github.com/coopcycle/coopcycle-web/blob/v6.19.1/src/Entity/Incident/Incident.php#L43-L71 vulncheck.com: https://www.vulncheck.com/advisories/coopcycle-coopcycle-web-before-6.20.1-idor-via-incident-resource-and-action-endpoint
Credits
hieuPenguinnn