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

> CVE-2026-12879: Cross-Tenant Data Exfiltration in Apigee via BigQuery Confused Deputy. CVSS 5.9 (CVSS 4.0).

Canonical: https://rewindex.com/cve/CVE-2026-12879
Last updated: 2026-10-25T17:10:00Z

- Published: 2026-07-09 12:56 UTC · Updated: 2026-10-25 17:10 UTC · Assigner: GoogleCloud
- CVSS: 5.9 (CVSS 4.0) · Severity: Medium
- EPSS: 0.30%, 22th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-441, CWE-610

## 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 vendors and products

- Google Cloud: Apigee

## Tracked companies

- [Google Cloud](https://rewindex.com/company/google-cloud.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-12879)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-12879)
- [https://cloud.google.com/apigee/docs/release-notes\#July\_08\_2026](https://cloud.google.com/apigee/docs/release-notes#July_08_2026)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-12879 · Markdown: https://rewindex.com/cve/CVE-2026-12879.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-12879 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:14:26.691Z