CVE-2026-103311: Coinbase Commerce Payment Gateway for WooCommerce 0 through 1.4.1

CVE-2026-103311. CVSS 3.1 base score 5.3 (MEDIUM, Vendor/CNA).

Affected technology

Coinbase Commerce Payment Gateway for WooCommerce · 0 through 1.4.1
Vendor not specified by the source

Description’s affected range: through 1.4.1 does not verify the authenticity of incoming payment webhook notifications

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Unauthenticated attackers can forge notifications that mark arbitrary orders as paid or cancel already-paid orders. Vendor/CNA’s CVSS 3.1 assessment (base score 5.3/10) rates confidentiality and availability impact as none; integrity impact as low.

Published 19-Oct-2026 08:52 UTC

CCR priority: 21.2 /100 (P4)
CVSS 3.1: 5.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N · Vendor/CNA
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-19 08:52:30.827432+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-103311.html