Vulnerability · Published Jul 9, 2026 · Assigned by GoogleCloud
CVE-2026-12879Cross-Tenant Data Exfiltration in Apigee via BigQuery Confused Deputy
Medium 5.9
In plain English
A medium-severity security flaw in Apigee from Google Cloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Severity (CVSS 4.0)5.9Medium
Exploit odds (30 days)0.3%top 77.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Google Cloud | Apigee | 0 – before 2026-06-12 |
Weakness: CWE-610, CWE-441 · 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