TI-2026-85046 CVE-2026-121620 · GHSA-fffc-w3w6-p7qp
Missing Zelty webhook signature verification in CoopCycle coopcycle-web
Priority LOW 35
CoopCycle coopcycle-web 5.6.0 before 6.20.0 contains a missing authentication vulnerability that allows unauthenticated attackers to forge Zelty webhook events because the x-zelty-hmac-sha256 HMAC signature is never veri…