Commerce CyberSource - Moderately critical - Insufficient input validation - SA-CONTRIB-2026-106 (CVE-2026-81159) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-81159

Commerce CyberSource - Moderately critical - Insufficient input validation - SA-CONTRIB-2026-106

Answer in brief

CVE-2026-81159 records a Unknown severity vulnerability in Commerce CyberSource - Moderately critical - Insufficient input validation - SA-CONTRIB-2026-106. The current sources do not mark it as known exploited. The current feed maps Drupal/Commerce CyberSource (generic), drupal/commerce_cybersource (packagist:https://packages.drupal.org/8). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 2, 2026Updated Sep 2, 2026Source checked Sep 2, 2026First seen by HOL Aug 26, 2026Material review Sep 2, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Drupal/Commerce CyberSource (generic), drupal/commerce_cybersource (packagist:https://packages.drupal.org/8). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Drupal/Commerce CyberSourcegeneric	>=0.0.0 <1.10.0	1.10.0
drupal/commerce_cybersourcepackagist:https://packages.drupal.org/8	>=0 <1.10.0	1.10.0

Recommended response

Check inventory. Check lockfiles and deployed manifests for Drupal/Commerce CyberSource, drupal/commerce_cybersource.
Review the reported fix. Update Drupal/Commerce CyberSource to 1.10.0; drupal/commerce_cybersource to 1.10.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 2, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 2, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 26, 2026

Sources and claim methodology

Source referencedrupal.org

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.