# CVE-2026-81375: Google Cloud Application Integration Confused Deputy in Email Task

Source: https://junglewise.ai/threats/cve-2026-81375-gcp-2026-066  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-28. Updated: 2026-09-28  
License: CC BY 4.0 with a link back

CVE-2026-81375 · Severity: high · Published 2026-09-28

A Confused Deputy vulnerability was discovered in the Email Task component of Google Cloud Application Integration, allowing authenticated attackers to read and exfiltrate arbitrary internal Google files using crafted attachment paths. This could lead to exposure of sensitive Google-internal data. The vulnerability was patched on June 30, 2026, and no customer action is required as the fix has been deployed.

Technologies: [Google Cloud Platform](https://junglewise.ai/threats/technologies/google-cloud-platform). Vendors: [Google](https://junglewise.ai/threats/vendors/google), [Google Cloud](https://junglewise.ai/threats/vendors/google-cloud).

## Quick answers

**Is CVE-2026-81375 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-81375 being exploited in the wild.

**How severe is CVE-2026-81375?** High severity, published 28 September 2026.

**Which products and versions are affected?** Google Cloud Application Integration prior to June 30, 2026.

**Is there a fix for CVE-2026-81375?** A patch was published on 2026-06-30. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-81375 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-81375?** Check whether you run Google Cloud Platform or Google Cloud Application Integration at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a Confused Deputy flaw in Application Integration's Email Task component that allows an authenticated attacker to bypass authorization checks and access Google-internal files through a crafted attachment path parameter. The attack requires authentication but does not require user interaction. An attacker could exfiltrate arbitrary sensitive internal files, and a patch was released on June 30, 2026.

## Affected products

- Google Cloud Application Integration prior to June 30, 2026

## Timeline

- 2026-06-30: patched
- 2026-09-28: disclosed

## References

- [https://docs.cloud.google.com/support/bulletins/index](https://docs.cloud.google.com/support/bulletins/index)

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