Vulnerability · Published Oct 22, 2026 · Assigned by drupal
CVE-2026-84918Monobank payment API - Moderately critical - Access bypass - SA-CONTRIB-2026-130
Low 3.7
In plain English
A low-severity security flaw in Monobank payment API from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.7Low
Exploit odds (30 days)0.2%top 95.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/monobank | 1.0.3 | DRUPAL-CONTRIB-2026-130 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Monobank payment API | 0.0.0 – before 1.0.3 |
Weakness: CWE-347 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N