PT-2026-21291 · Google · Google Cloud Vertex Ai

Omer Amiad · Published 2026-02-20 · Updated 2026-04-20 · CVE-2026-2473

Positive Technologies (AI Summary)

CVSS v4.0

7.7

High

Base vector

AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear

Name of the Vulnerable Software and Affected Versions Google Cloud Vertex AI versions 1.21.0 through 1.132.9

Description A flaw exists in Vertex AI Experiments within Google Cloud Vertex AI that could allow a remote, unauthenticated attacker to execute code, steal models, and poison data. This is possible by pre-creating predictably named Cloud Storage buckets, a technique known as Bucket Squatting.

Recommendations Update to version 1.133.0 or later.

Fix

RCE

Weakness Enumeration

CWE-340

Related Identifiers

CVE-2026-2473

GHSA-WH2J-26J7-9728

Affected Products

Google Cloud Vertex Ai

References · 12

• https://nvd.nist.gov/vuln/detail/CVE-2026-2473 · Security Note
• https://osv.dev/vulnerability/GHSA-wh2j-26j7-9728 · Vendor Advisory
• https://github.com/googleapis/python-aiplatform/releases/tag/v1.133.0 · Note
• https://github.com/googleapis/python-aiplatform · Note
• https://twitter.com/CVEnew/status/2024988765492834637 · Twitter Post
• https://reddit.com/r/VulnMatter/comments/1raarn5/resumen_diario_de_vulnerabilidades_20022026 · Reddit Post
• https://t.me/CVEtracker/45310 · Telegram Post
• https://twitter.com/iam_nikhil_raj/status/2028111702987038967 · Twitter Post
• https://docs.cloud.google.com/support/bulletins#gcp-2026-012 · Note
• https://twitter.com/vuldb/status/2025260370294964396 · Twitter Post
• https://twitter.com/omer_asfu/status/2046307225581600838 · Twitter Post
• https://twitter.com/_cvereports/status/2025037927282020812 · Twitter Post