id: PYSEC-2026-2500
published: "2026-07-13T14:36:37.220621Z"
modified: "2026-07-13T16:04:10.657032Z"
aliases:
- CVE-2026-2473
- GHSA-wh2j-26j7-9728
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.
affected:
- package:
    name: google-cloud-aiplatform
    ecosystem: PyPI
    purl: pkg:pypi/google-cloud-aiplatform
  ranges:
  - type: ECOSYSTEM
    events:
    - introduced: 1.21.0
    - fixed: 1.133.0
  versions:
  - 1.100.0
  - 1.101.0
  - 1.102.0
  - 1.103.0
  - 1.104.0
  - 1.105.0
  - 1.106.0
  - 1.107.0
  - 1.108.0
  - 1.109.0
  - 1.110.0
  - 1.111.0
  - 1.112.0
  - 1.113.0
  - 1.114.0
  - 1.115.0
  - 1.116.0
  - 1.117.0
  - 1.118.0
  - 1.119.0
  - 1.120.0
  - 1.121.0
  - 1.122.0
  - 1.123.0
  - 1.124.0
  - 1.125.0
  - 1.126.0
  - 1.126.1
  - 1.127.0
  - 1.128.0
  - 1.129.0
  - 1.130.0
  - 1.131.0
  - 1.132.0
  - 1.21.0
  - 1.22.0
  - 1.22.1
  - 1.23.0
  - 1.24.0
  - 1.24.1
  - 1.25.0
  - 1.26.0
  - 1.26.1
  - 1.27.0
  - 1.27.1
  - 1.28.0
  - 1.28.1
  - 1.29.0
  - 1.30.0
  - 1.30.1
  - 1.31.0
  - 1.31.1
  - 1.32.0
  - 1.33.0
  - 1.33.1
  - 1.34.0
  - 1.35.0
  - 1.36.0
  - 1.36.1
  - 1.36.2
  - 1.36.3
  - 1.36.4
  - 1.37.0
  - 1.38.0
  - 1.38.1
  - 1.39.0
  - 1.40.0
  - 1.41.0
  - 1.42.0
  - 1.42.1
  - 1.43.0
  - 1.44.0
  - 1.45.0
  - 1.46.0
  - 1.47.0
  - 1.48.0
  - 1.49.0
  - 1.50.0
  - 1.51.0
  - 1.52.0
  - 1.53.0
  - 1.54.0
  - 1.54.1
  - 1.55.0
  - 1.56.0
  - 1.57.0
  - 1.58.0
  - 1.59.0
  - 1.60.0
  - 1.61.0
  - 1.62.0
  - 1.63.0
  - 1.64.0
  - 1.65.0
  - 1.66.0
  - 1.67.0
  - 1.67.1
  - 1.68.0
  - 1.69.0
  - 1.70.0
  - 1.71.0
  - 1.71.1
  - 1.72.0
  - 1.73.0
  - 1.74.0
  - 1.75.0
  - 1.76.0
  - 1.77.0
  - 1.78.0
  - 1.79.0
  - 1.80.0
  - 1.81.0
  - 1.82.0
  - 1.83.0
  - 1.84.0
  - 1.85.0
  - 1.86.0
  - 1.87.0
  - 1.88.0
  - 1.89.0
  - 1.90.0
  - 1.91.0
  - 1.92.0
  - 1.93.0
  - 1.93.1
  - 1.94.0
  - 1.95.0
  - 1.95.1
  - 1.96.0
  - 1.97.0
  - 1.98.0
  - 1.99.0
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
- type: PACKAGE
  url: https://pypi.org/project/google-cloud-aiplatform
- type: ADVISORY
  url: https://github.com/advisories/GHSA-wh2j-26j7-9728
severity:
- type: CVSS_V4
  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