Google Cloud Apigee BigQuery DAO Cross-Tenant Data Exposure Vulnerability
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.
Quick answer
Google Cloud Apigee should be reviewed and updated if it matches the affected versions. The recommended fix is to apply the vendor-supported patched version or the mitigation steps below, then retest the public website with Fixnx.
Who is affected
Affected versions
- Google Cloud Apigee versions before 2026-06-12 server-side patch
Fixed versions
- Patched by Google on 2026-06-12
How to fix it
Google Cloud Apigee had a BigQuery DAO input validation issue before the server-side patch on June 12, 2026. NVD states no customer action is needed for the patch, but affected customers should review Apigee audit logs and Google Cloud notices. Focus verification on tenant isolation, data access, and support advisories rather than local software updates.
- Identify Apigee organizations and environments in scope before June 12, 2026.
- Confirm Google Cloud has applied the server-side patch for the affected Apigee service.
- Review Google Cloud service health, support cases, and security bulletins for tenant-specific guidance.
- Review Apigee audit logs, BigQuery access logs, and IAM activity for suspicious cross-tenant data access indicators.
- Rotate service account keys or credentials only if Google Cloud logs or support guidance indicate exposure.
- Restrict Apigee administrative roles and BigQuery permissions to least privilege.
- Document evidence that no local customer-managed patch is required for this CVE.
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Verify the fix
- Confirm the affected Apigee service date is after the June 12, 2026 server-side patch.
- Validate Google Cloud support or advisory information does not require customer remediation.
- Review BigQuery and Apigee audit logs for unexpected cross-tenant access signals.
- Test normal Apigee proxy, analytics, and BigQuery-backed workflows.
- Run a Fixnx scan for public Apigee developer portal or API gateway exposure where relevant.
Related categories
Trusted references
FAQ
What is affected by CVE-2026-12879?
Google Cloud Apigee versions listed as affected should be reviewed: Google Cloud Apigee versions before 2026-06-12 server-side patch.
What should I fix first?
Start with internet-facing sites, admin panels, login flows, plugins, themes, modules, packages, and systems that process user-controlled input or sensitive data.
How do I confirm the fix worked?
Apply the patched version or mitigation, clear caches where relevant, retest the affected workflow, and run a new Fixnx scan to verify public website exposure signals.
Why can this risk appear in multiple categories?
A vulnerability can belong to more than one platform or ecosystem. Fixnx keeps one canonical risk page while also listing it in every relevant category.