GHSA-WH2J-26J7-9728

Vulnerability from github – Published: 2026-02-20 21:31 – Updated: 2026-02-20 22:41
VLAI?
Summary
Google Cloud Vertex AI has a a vulnerability involving predictable bucket naming
Details

Predictable bucket naming in Vertex AI Experiments in Google Cloud Vertex AI from version 1.21.0 up to (but not including) 1.133.0 on Google Cloud Platform allows an unauthenticated remote attacker to achieve cross-tenant remote code execution, model theft, and poisoning via pre-creating predictably named Cloud Storage buckets (Bucket Squatting).

This vulnerability was patched and no customer action is needed.

Severity ?
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Clear
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "google-cloud-aiplatform"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.21.0"
            },
            {
              "fixed": "1.133.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-2473"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-340"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-20T22:41:41Z",
    "nvd_published_at": "2026-02-20T20:25:24Z",
    "severity": "HIGH"
  },
  "details": "Predictable bucket naming in Vertex AI Experiments in Google Cloud Vertex AI from version 1.21.0 up to\u00a0(but not including) 1.133.0 on Google Cloud Platform allows an unauthenticated remote attacker to achieve cross-tenant remote code execution, model theft, and poisoning via pre-creating predictably named Cloud Storage buckets (Bucket Squatting).\n\nThis vulnerability was patched and no customer action is needed.",
  "id": "GHSA-wh2j-26j7-9728",
  "modified": "2026-02-20T22:41:41Z",
  "published": "2026-02-20T21:31:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2473"
    },
    {
      "type": "WEB",
      "url": "https://docs.cloud.google.com/support/bulletins#gcp-2026-012"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/googleapis/python-aiplatform"
    },
    {
      "type": "WEB",
      "url": "https://github.com/googleapis/python-aiplatform/releases/tag/v1.133.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Clear",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Google Cloud Vertex AI has a a vulnerability involving predictable bucket naming"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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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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