---
id: CVE-2026-84918
title: >-
  Monobank payment API - Moderately critical - Access bypass -
  SA-CONTRIB-2026-130
summary: >-
  Improper Verification of Cryptographic Signature vulnerability in Drupal
  Monobank payment API allows Signature Spoof. This issue affects Monobank
  payment API versions: from 0.0.0 to 1.0.3.
severity: low
cvss: 3.7
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N'
cvssSource: adp
cwe:
  - CWE-347
vendor: Drupal
product: Monobank payment API
affected:
  - monobank_payment_api >= 0.0.0 < 1.0.3
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-22T17:16:29.690837Z'
published: '2026-10-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T17:16:33.894Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-84918'
references:
  - url: 'https://www.drupal.org/sa-contrib-2026-130'
tags:
  - cve.org
ingestedAt: '2026-10-22T02:23:25.196Z'
epss: 0.00157
epssPercentile: 0.04833
---

## Overview

Improper Verification of Cryptographic Signature vulnerability in Drupal Monobank payment API allows Signature Spoof. This issue affects Monobank payment API versions: from 0.0.0 to 1.0.3.

## Affected

- `monobank_payment_api >= 0.0.0 < 1.0.3`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.