CVE-2026-81159
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Observable Timing Discrepancy in Drupal Commerce CyberSource Allows Brute Force

Publication date: 2026-09-02

Last updated on: 2026-09-02

Assigner: Drupal.org

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.

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Meta Information

Published
2026-09-02
Last Modified
2026-09-02
Generated
2026-09-02
AI Q&A
2026-09-02
EPSS Evaluated
N/A
NVD
CVE-2026-81159
EUVD
EUVD-2026-70005

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
drupal commerce_cybersource From 0.0.0 (inc) to 1.10.0 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-208 Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.

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Executive Summary

This vulnerability is an Observable Timing Discrepancy in Drupal Commerce CyberSource that allows brute force attacks. It exists in versions 0.0.0 to 1.10.0 of Commerce CyberSource.

Impact Analysis

An attacker could exploit timing differences to guess sensitive information like passwords or payment details through brute force methods. This could lead to unauthorized access or data breaches.

Mitigation Strategies

Update Drupal Commerce CyberSource to the latest version beyond 1.10.0 to address the timing discrepancy vulnerability.

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