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CRITICALCVE-2026-1727Published Modified CNA GoogleCloud

CVE-2026-1727: Information Disclosure via Bucket Squatting in Google Cloud Agentspace.

The Agentspace service was affected by a vulnerability that exposed sensitive information due to the use of predictable Google Cloud Storage bucket names. These names were utilized for error logs and temporary staging during data imports from GCS and Cloud SQL. This predictability allowed an attacker to engage in "bucket squatting" by establishing these buckets before a victim's initial use. All versions after December 12th, 2025 have been updated to protect from this vulnerability. No user action is required for this.

Metrics

CVSS v4.0
9.1
Severity
CRITICAL
Fixed in
12/12/2025
Affected Products
1

Fix available

12/12/2025
Affected packages
  • Google Cloud / Gemini Enterprise (formerly Agentspace)
    < 12/12/2025 (from 0)
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:L/U:Clear