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CVE-2026-12879

Cross-Tenant Data Exfiltration in Apigee via BigQuery Confused Deputy

MEDIUM
5.9
CVSS Score
Published: July 9, 2026 at 12:56 PM UTC
Updated: October 25, 2026 at 05:10 PM UTC
1 product affected across 1 vendorApigee

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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Apigee· Google Cloud
90%
v < 2026-06-12
Affected range stops below 2026-06-12, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://cloud.google.com/apigee/docs/release-notes#July_08_2026

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.9MEDIUMGoogleCloud
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-610CWE-441

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