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Vertex AI Vulnerability Exposes Google Cloud Data and Private Artifacts

ID: dc3b4ff8-1d7e-5dc5-9aea-a6c5e7578d09

STIX ID: report--dc3b4ff8-1d7e-5dc5-9aea-a6c5e7578d09

Feed Name: The Hacker News

Threat Score
72/100

Date Published: 2026-03-31

Date Updated: 2026-04-24

Author: [email protected] (The Hacker News)

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Researchers from Palo Alto Networks Unit 42 disclosed that Vertex AI's default Per-Project, Per-Product Service Agent (P4SA) permissions can be abused to expose service-agent credentials via the metadata service when an Agent Engine is deployed, allowing attackers to escalate from the AI agent execution context into customer projects to read Google Cloud Storage buckets and access Artifact Registry images; Google has updated documentation and recommends using Bring Your Own Service Account (BYOSA) and enforcing least privilege.

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