CVE-2026-14934

Severity CVSS v4.0:

CRITICAL

Type:

Unavailable / Other

Publication date:

13/07/2026

Last modified:

13/07/2026

Description

A Missing Authorization vulnerability in the repository creation functionality in Google Cloud BigQuery, Dataform and Colab Enterprise, in the versions between October 2025 and May 10th, 2026, on Google Cloud Platform, allows an authenticated attacker to escalate privileges and perform cross-tenant repository takeover.<br /> <br /> <br /> This vulnerability was patched on 10 May 2026, and no customer action is needed.

Impact

Vector 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/U:Clear CVSS v4.0 Severity and Metrics:

Base Score: 9.40 CRITICAL
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/U:Clear

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): Low
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): High
Integrity (SI): High
Availability (SA): High
Provider Urgency (U): Clear

Base Score 4.0

9.40

Severity 4.0

CRITICAL

References to Advisories, Solutions, and Tools

https://docs.cloud.google.com/support/bulletins#gcp-2026-047