Cross-Tenant Data Exfiltration in Apigee via BigQuery Confused Deputy
Summary
| CVE | CVE-2026-12879 |
|---|---|
| State | PUBLISHED |
| Assigner | GoogleCloud |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-07-09 14:16:27 UTC |
| Updated | 2026-07-09 16:39:17 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v4.0 5.9 MEDIUM from f45cbf4e-4146-4068-b7e1-655ffc2c548c
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/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
Problem Types: CWE-441 | CWE-610 | CWE-610 CWE-610 Externally Controlled Reference to a Resource in Another Sphere | CWE-441 CWE-441 Unintended Proxy or Intermediary ('Confused Deputy')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | f45cbf4e-4146-4068-b7e1-655ffc2c548c | Secondary | 5.9 | MEDIUM | 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/E:X/C... |
| 4.0 | CNA | CVSS | 5.9 | MEDIUM | 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 |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighAttack Requirements
NonePrivileges Required
HighUser Interaction
NoneConfidentiality
HighIntegrity
NoneAvailability
NoneSub Conf.
LowSub Integrity
LowSub Availability
LowCVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:L/SI:L/SA:L/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
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Google Cloud | Apigee | affected 2026-06-12 date | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| cloud.google.com/apigee/docs/release-notes | f45cbf4e-4146-4068-b7e1-655ffc2c548c | cloud.google.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Moshe Bernstein with Tenable (en)
There are currently no legacy QID mappings associated with this CVE.