Vulnerability · Published Sep 2, 2026 · Assigned by drupal
CVE-2026-81159Commerce CyberSource - Moderately critical - Insufficient input validation - SA-CONTRIB-2026-106
Low 3.7
In plain English
A low-severity security flaw in Commerce CyberSource from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.7Low
Exploit odds (30 days)0.3%top 82.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/commerce_cybersource | 1.10.0 | DRUPAL-CONTRIB-2026-106 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Commerce CyberSource | 0.0.0 – before 1.10.0 |
Weakness: CWE-208 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N