CVE-2026-12879Cross-Tenant Data Exfiltration in Apigee via BigQuery Confused Deputy

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.

5.9 MEDIUMEPSS 0.30%Not in KEVNVD: Awaiting Analysis

Last updated: 2026-10-25 17:10 UTC

OverviewCVSS details

5.9MEDIUMCVSS 4.0

Score source: GoogleCloud (CNA)
NVD status: Awaiting Analysis
Published: Jul 9, 2026
Assigner: GoogleCloud

Affected

Apigee (Google Cloud)

Versions: before 2026-06-12
Fixed in: 2026-06-12

Exploitation

Public exploit: None listed
CISA KEV: Not listed
KEV due date: —
SSVC: Exploitation none · Automatable no · Impact partial

EPSS · FIRST, scored Nov 7

0.30%chance of exploitation in 30 days

Higher than 22.86% of CVEs

CVSS 4.0 · GoogleCloud (CNA)

5.9Medium

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

Attack vector: Network
Attack complexity: High
Attack requirements: None
Privileges required: High
User interaction: None
Confidentiality impact: High
Integrity impact: None
Availability impact: None
Confidentiality (other systems): Low
Integrity (other systems): Low
Availability (other systems): Low

NVD status: Awaiting Analysis

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
5.9	MEDIUM	4.0GoogleCloud (CNA)	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

Details

CVE ID: CVE-2026-12879
Status: Awaiting Analysis
Assigner (CNA): GoogleCloud
Published: Jul 9, 2026
Last modified: 2026-10-25 17:10 UTC
Weaknesses: CWE-610 · Externally Controlled Reference to a Resource in Another Sphere
CWE-441 · Unintended Proxy or Intermediary ('Confused Deputy')

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 07:24 UTC.