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CVE-2026-121945CoopCycle coopcycle-web before 6.20.1 IDOR via Incident Resource and Action Endpoint
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.
7.2 HIGHEPSS 0.40%Not in KEVNVD: Received
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.2 | HIGH | 4.0VulnCheck (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N |
| 7.6 | HIGH | 3.1VulnCheck (CNA) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L |
Details
- CVE ID
- CVE-2026-121945
- Status
- Received
- Assigner (CNA)
- VulnCheck
- Published
- Nov 4, 2026
- Last modified
- 2026-11-04 19:17 UTC
- Weaknesses
- CWE-639 · Authorization Bypass Through User-Controlled Key
Affected Products
As published by the CNA in the CVE record.
CoopCyclecoopcycle-web1 version range
- before 6.20.1
References
- github.com https://github.com/coopcycle/coopcycle-web/blob/v6.19.1/src/Entity/Incident/Incident.php#L43-L71
- github.com https://github.com/coopcycle/coopcycle-web/commit/d997393d128afa1febe34e8f295b9511c12d19a0
- github.com https://github.com/coopcycle/coopcycle-web/issues/5390
- hackmd.io https://hackmd.io/@hieund/coopcycle-incident-courier-cross-tenant-bola
- vulncheck.com https://www.vulncheck.com/advisories/coopcycle-coopcycle-web-before-6.20.1-idor-via-incident-resource-and-action-endpoint
- hackmd.io https://hackmd.io/@hieund/cve-2026-121945-coopcycle-incident-courier-cross-tenant-bola