ApplyDjinn digest · AI assisted

Go With the Flow: Taking a Shadow Dependency in GCP Dataflow Cross Tenant

By ApplyDjinn·Digest published

Overview

Varonis reports a Google Cloud Dataflow weakness involving predictable staging storage and insufficient ownership checks. Under specific conditions, a pipeline could use storage controlled outside the intended project, creating a path to code execution. The researchers say Google has deployed a global mitigation.

Key facts

  • The described exposure concerned Python pipelines using a region's default staging bucket for the project's initial qualifying job.
  • The research connects storage ownership assumptions with the handling of staged Python session artifacts.
  • According to Varonis, the deployed protection also covers older or pinned SDK releases.

Context

The report treats staging storage as part of the software supply chain, where ownership and artifact integrity both matter.

What remains uncertain

The attack required the report's stated pipeline and storage conditions. This finding does not establish that every Dataflow deployment was exposed.

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Checked 2026-11-01 UTC

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55

30-day current-market scope

Company stories · 30d

10

10 official · 0 independent

Attention records · 7d

0

0 Google · 0 Polymarket

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Open roles

55

VRNS share

$48.85

30-day share move

+3.0%

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