CVE-2026-53868 (GCVE-0-2026-53868)

Vulnerability from cvelistv5 – Published: 2026-06-12 21:57 – Updated: 2026-06-12 21:57 X_Open Source
VLAI
Title
Capgo < 12.128.2 - Denial of Service via Unverified Email Account Registration and Deletion
Summary
Capgo before 12.128.2 contains a denial of service vulnerability allowing attackers to register accounts using arbitrary email addresses without verification, then initiate deletion to lock emails in pending deletion state. Attackers can permanently lock legitimate users out of the platform for 30 days by exploiting unverified email ownership in account lifecycle operations.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
Capgo Capgo Affected: 0 , < 12.128.2 (semver)
Unaffected: 12.128.2 (semver)
Create a notification for this product.
Date Public
2026-05-07 00:00
Credits
Naitik Gupta
Show details on NVD website
To clipboard 

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          "repo": "https://github.com/Cap-go/capgo",
          "vendor": "Capgo",
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
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              "version": "12.128.2",
              "versionType": "semver"
            }
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        }
      ],
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          "type": "reporter",
          "value": "Naitik Gupta"
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        }
      ],
      "metrics": [
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            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
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            "vulnerabilityResponseEffort": "NOT_DEFINED"
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            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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      "problemTypes": [
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          "descriptions": [
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              "description": "Missing Authentication for Critical Function",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
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        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
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      "references": [
        {
          "name": "GHSA Advisory GHSA-3wfv-m8fq-7r5g",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/Cap-go/capgo/security/advisories/GHSA-3wfv-m8fq-7r5g"
        },
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          "tags": [
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          "url": "https://www.vulncheck.com/advisories/capgo-denial-of-service-via-unverified-email-account-registration-and-deletion"
        }
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      "tags": [
        "x_open-source"
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      "title": "Capgo \u003c 12.128.2 - Denial of Service via Unverified Email Account Registration and Deletion",
      "x_generator": {
        "engine": "vulncheck"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-53868",
    "datePublished": "2026-06-12T21:57:03.338Z",
    "dateReserved": "2026-06-10T21:23:54.283Z",
    "dateUpdated": "2026-06-12T21:57:03.338Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
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    "epss": {
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      "date": "2026-06-14",
      "epss": "0.00041",
      "percentile": "0.12833"
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  }
}


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Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.