CVE-2026-84918 (GCVE-0-2026-84918)

Vulnerability from cvelistv5 – Published: 2026-10-22 01:22 – Updated: 2026-10-22 01:22
VLAI
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
No CVSS data available.
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
drupal CNA under the mitre root
CNA scorecard D 53/100 over 175 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Drupal Monobank payment API Affected: 0.0.0 , < 1.0.3 (semver)
guessed Create a notification for this product.
Date Public
2026-09-02 16:36
Credits
Marcus Johansson (marcus_johansson) Helena Zajika (helena zajika) Marcus Johansson (marcus_johansson) Swan Kalata (akalata) Greg Knaddison (greggles) Juraj Nemec (poker10)
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://www.drupal.org/project/monobank",
          "product": "Monobank payment API",
          "repo": "https://git.drupalcode.org/project/monobank",
          "vendor": "Drupal",
          "versions": [
            {
              "lessThan": "1.0.3",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Marcus Johansson (marcus_johansson)"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Helena Zajika (helena zajika)"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Marcus Johansson (marcus_johansson)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Swan Kalata (akalata)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Greg Knaddison (greggles)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Juraj Nemec (poker10)"
        }
      ],
      "datePublic": "2026-09-02T16:36:28.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-473",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-473 Signature Spoof"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-347",
              "description": "CWE-347 Improper Verification of Cryptographic Signature",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-22T01:22:08.604Z",
        "orgId": "2c85b837-eb8b-40ed-9d74-228c62987387",
        "shortName": "drupal"
      },
      "references": [
        {
          "url": "https://www.drupal.org/sa-contrib-2026-130"
        }
      ],
      "title": "Monobank payment API - Moderately critical - Access bypass - SA-CONTRIB-2026-130"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2c85b837-eb8b-40ed-9d74-228c62987387",
    "assignerShortName": "drupal",
    "cveId": "CVE-2026-84918",
    "datePublished": "2026-10-22T01:22:08.604Z",
    "dateReserved": "2026-09-02T15:44:19.097Z",
    "dateUpdated": "2026-10-22T01:22:08.604Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-84918",
      "date": "2026-10-22",
      "epss": "0.00099",
      "percentile": "0.00782"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "collectionURL": "https://www.drupal.org/project/monobank",
                "product": "Monobank payment API",
                "repo": "https://git.drupalcode.org/project/monobank",
                "vendor": "Drupal",
                "versions": [
                  {
                    "lessThan": "1.0.3",
                    "status": "affected",
                    "version": "0.0.0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "mlhess@drupal.org"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "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."
          }
        ],
        "id": "CVE-2026-84918",
        "lastModified": "2026-10-22T02:17:02.300",
        "metrics": {},
        "published": "2026-10-22T02:17:02.300",
        "references": [
          {
            "source": "mlhess@drupal.org",
            "url": "https://www.drupal.org/sa-contrib-2026-130"
          }
        ],
        "sourceIdentifier": "mlhess@drupal.org",
        "vulnStatus": "Received",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-347"
              }
            ],
            "source": "mlhess@drupal.org",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.