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UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-84918

Improper Verification of Cryptographic Signature vulnerability in Drupal Monobank payment API allows Signature Spoof.

LOW 3.7EPSS 0.16%

Does this matter?

Lower severity and a low EPSS score (0.16%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
3.7 LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS
0.16% probability · 5th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-347
Source
mlhess@drupal.org
EPSS trend
0%3%5%22 October 2026: 0.10%26 October 2026: 0.16%22 October 202626 October 2026

EPSS moved from 0.1% on 22 October 2026 to 0.2% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.