CVE-2026-12879CWE-441CWE-610

Cross-Tenant Data Exfiltration in Apigee via BigQuery Confused Deputy

Medium · published July 9, 2026

CVSS v4.0
5.9
EPSS
0%
Percentile
21.6
In the wild
Unconfirmed
What it is

An Improper Input Validation vulnerability in BigQuery DAO in Google Cloud Apigee versions prior to 2026-06-12 on Google Cloud Platform allows an authenticated attacker to exfiltrate cross-tenant data.

This vulnerability was patched on 12 June 2026 on the Apigee Servers, and no customer action is needed.

The record
Technical detail
CVSS v4.0
5.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:L/SI:L/SA:L/U:Clear
EPSS
0.00300 · 21.6th percentile
Weaknesses
CWE-441 · Unintended Proxy or Intermediary ('Confused Deputy'); CWE-610 · Externally Controlled Reference to a Resource in Another Sphere
Published
2026-07-09T12:56Z
EPSS history
Timeline
  • 09 JUL 12:56Z
    Cross-Tenant Data Exfiltration in Apigee via BigQuery Confused Deputy
    cvelistv5