CVE-2026-81159
Commerce CyberSource - Moderately critical - Insufficient input validation - SA-CONTRIB-2026-106
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Commerce CyberSource - Moderately critical - Insufficient input validation - SA-CONTRIB-2026-106
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.
- Record
CVE-2026-81159- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-208
- Updated
- 2026-11-02
EUVDEUVD-2026-70005
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.
- Record
EUVD-2026-70005- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7q92-q5vc-5r4r
Observable Timing Discrepancy vulnerability in Drupal Commerce CyberSource allows Brute Force....
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.
- Record
GHSA-7q92-q5vc-5r4r- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-208
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-81159- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-208
- Updated
- 2026-11-02
OSVDRUPAL-CONTRIB-2026-106 No score
This module integrates Drupal Commerce with the CyberSource payment gateway.
The module does not correctly verify the integrity of data returned by the payment provider. A timing attack could allow an attacker to trick the site into registering that payment has been received even if it hasn't.
This issue only affects the Secure Acceptance Hosted Checkout gateway integration.
- Record
DRUPAL-CONTRIB-2026-106- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
drupal/commerce_cybersourcePackagist:https://packages.drupal.org/8 |
before 1.10.0 | 1.10.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-81159 is a low vulnerability (CVSS 3.7) in Centarro Commerce Cybersource, published August 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. Fixed in drupal/commerce_cybersource 1.10.0.