CVE-2026-84918: CWE-347 Improper Verification of Cryptographic Signature in Drupal Monobank payment API
Description
CVE-2026-84918 is a vulnerability in the Drupal Monobank payment API involving improper verification of cryptographic signatures, which can lead to signature spoofing. This affects versions from 0.0.0 up to but not including 1.0.3. No CVSS score is available for this vulnerability.
Affected software
Drupal
Monobank payment API
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-84918 in the Drupal Monobank payment API is classified under CWE-347, indicating improper verification of cryptographic signatures. This flaw allows an attacker to spoof signatures, potentially bypassing authentication or integrity checks within the payment API. The affected versions range from 0.0.0 up to 1.0.3, excluding 1.0.3 itself. There is no information about active exploitation or a CVSS score.
Potential Impact
The impact of this vulnerability is that an attacker could forge cryptographic signatures, potentially allowing unauthorized actions or transactions within the Monobank payment API. This could undermine the security guarantees of the payment process, such as authenticity and integrity of requests.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor the Drupal project advisories for updates and apply any forthcoming patches promptly.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- drupal
- Date Reserved
- 2026-09-02T15:44:19.097Z
- State
- PUBLISHED
Threat ID: 6ad967fb4d27ba8daa1a2833
Added to database: 10/22/2026, 01:33:47 UTC
Last enriched: 10/22/2026, 02:30:35 UTC
Last updated: 10/22/2026, 02:55:27 UTC
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.