CVE-2026-121945: high-severity vulnerability in coopcycle-web
CoopCycle coopcycle-web before 6.20.1 IDOR via Incident Resource and Action Endpoint
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 7.2epss 0.4%
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.
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
Affected products
CoopCycle · coopcycle-webpublic PoCs found — 1
cve_referencehackmd.io/@hieund/cve-2026-121945-coopcycle-incident-courier-cross-tenant-bolaunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — coopcycle-web
In the same product, most dangerous first.
References
https://github.com/coopcycle/coopcycle-web/blob/v6.19.1/src/Entity/Incident/Incident.php#L43-L71https://github.com/coopcycle/coopcycle-web/commit/d997393d128afa1febe34e8f295b9511c12d19a0https://github.com/coopcycle/coopcycle-web/issues/5390https://hackmd.io/@hieund/coopcycle-incident-courier-cross-tenant-bolahttps://hackmd.io/@hieund/cve-2026-121945-coopcycle-incident-courier-cross-tenant-bolahttps://www.vulncheck.com/advisories/coopcycle-coopcycle-web-before-6.20.1-idor-via-incident-resource-and-action-endpoint