CVE-2026-81159 Commerce CyberSource - Moderately critical - Insufficient input validation - SA-CONTRIB-2026-106
An attacker can exploit timing discrepancies to facilitate brute force attacks against the Drupal Commerce CyberSource module.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-81159?
CVE-2026-81159 is a low-severity vulnerability in Drupal Commerce CyberSource, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-208
Which versions are affected by CVE-2026-81159?
It affects 1 product.
Linux distribution packages (1)
drupal/commerce_cybersource Packagist:https://packages.drupal.org/8 | All versions | 1.10.0 |
Products include Centarro Commerce Cybersource.
How do I fix CVE-2026-81159?
Upgrade to a fixed version.
Is CVE-2026-81159 being exploited?
There is no known exploitation of CVE-2026-81159 in the wild and no public exploit code.
Sources
Also known as DRUPAL-CONTRIB-2026-106, GHSA-7q92-q5vc-5r4r.