What’s Vulnerable › Vulnerabilities

CVE-2026-81375: Confused Deputy in Application Integration allows Internal File Read

• Severity: high (CVSS 8.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-28 · updated 2026-09-29
• Weakness: CWE-610

Description

A Confused Deputy vulnerability in the EmailTask component in Google Cloud Application Integration versions prior to 2026-06-30 on Google Cloud Platform allows an authenticated attacker to read and exfiltrate arbitrary Google-internal files via a crafted attachment file path. This vulnerability was patched on 30 June 2026, and no customer action is needed.

Affected products

• Google Cloud Application Integration: before 2026-06-30 — fixed in 2026-06-30

How to fix

Upgrade to a fixed version: Google Cloud Application Integration 2026-06-30. Check the vendor advisory for mitigations.

References

• https://docs.cloud.google.com/application-integration/docs/security-bulletins#gcp-2026-066
• https://docs.cloud.google.com/support/bulletins#gcp-2026-066

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