MEDIUMCVSS v3.1 6.5Vulnerability

CVE-2026-121620

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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-11-04T13:33:26.764955+00:00
Cvss severity
MEDIUM
Cvss score
6.5
Retrieved at
2026-11-04T13:34:19+00:00
Score
6.5
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-121620
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
First seen by Signal
2026-11-04T13:34:19+00:00
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
Published at
2026-11-04T13:17:27.537
Last modified
2026-11-04T13:17:27.537

Related Entities (1)

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CVE-2026-121620 (CVSS v3.1 6.5) — Ninja Signal Threat Intelligence | Ninja Signal