CVE-2026-56227 (GCVE-0-2026-56227)

Vulnerability from cvelistv5 – Published: 2026-06-20 15:24 – Updated: 2026-06-20 15:24
VLAI
Title
Capgo - Server-Side Request Forgery via Webhook URL Validation
Summary
Capgo before 12.128.2 contains a server-side request forgery vulnerability in webhook URL validation that allows loopback and internal addresses. Organization admins can configure webhooks pointing to localhost or 127.0.0.1, and when triggered, the backend performs outbound requests to these addresses with error responses disclosed to users.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:L
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
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
2026-02-10 00:00
Credits
Judel777
Show details on NVD website
To clipboard 

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          "vendor": "Capgo",
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          "type": "reporter",
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        }
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            "Recovery": "NOT_DEFINED",
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            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
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            "providerUrgency": "NOT_DEFINED",
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            "subConfidentialityImpact": "LOW",
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            "valueDensity": "NOT_DEFINED",
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            "version": "3.1"
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      "problemTypes": [
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          "descriptions": [
            {
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              "description": "Server-Side Request Forgery (SSRF)",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-06-20T15:24:41.272Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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          "name": "GHSA Advisory GHSA-48hc-53hv-6x3f",
          "tags": [
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          "url": "https://github.com/Cap-go/capgo/security/advisories/GHSA-48hc-53hv-6x3f"
        },
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          "name": "VulnCheck Advisory: Capgo - Server-Side Request Forgery via Webhook URL Validation",
          "tags": [
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      "title": "Capgo - Server-Side Request Forgery via Webhook URL Validation",
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  "cveMetadata": {
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    "datePublished": "2026-06-20T15:24:41.272Z",
    "dateReserved": "2026-06-19T21:46:58.630Z",
    "dateUpdated": "2026-06-20T15:24:41.272Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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