---
id: CVE-2026-81159
title: >-
  Observable Timing Discrepancy vulnerability in Drupal Commerce CyberSource
  allows Brute Force
summary: >-
  Observable Timing Discrepancy vulnerability in Drupal Commerce CyberSource
  allows Brute Force. This issue affects Commerce CyberSource versions: from
  0.0.0 to 1.10.0.
severity: low
cvss: 3.7
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-208
vendor: centarro
product: commerce_cybersource
affected:
  - 'commerce_cybersource >= 8.x-1.0, < 8.x-1.10'
patched:
  - commerce_cybersource 8.x-1.10
published: '2026-09-02'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T20:19:00.240'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-81159'
references:
  - url: 'https://www.drupal.org/sa-contrib-2026-106'
    label: mlhess@drupal.org
tags:
  - nvd
epss: 0.00256
epssPercentile: 0.15337
ingestedAt: '2026-09-16T21:05:36.842Z'
---

## Overview

Observable Timing Discrepancy vulnerability in Drupal Commerce CyberSource allows Brute Force. This issue affects Commerce CyberSource versions: from 0.0.0 to 1.10.0.

## Affected

- `commerce_cybersource >= 8.x-1.0, < 8.x-1.10`

## Remediation

Upgrade past the affected range:

- `commerce_cybersource 8.x-1.10`