CVE-2026-121620

CVE-2026-121620CVE-2026-121620

Description

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 verified. Attackers can POST forged dish, menu, option and order-status events to /api/zelty/webhook/* endpoints to toggle restaurant products and alter order preparation states.

Scoring

CVSS 6.5 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
Last modified2026-11-04
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.