CVE-2026-81375 Confused Deputy in Application Integration allows Internal File Read
An authenticated attacker can read and exfiltrate arbitrary Google-internal files via a crafted attachment path in the EmailTask component.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-81375?
CVE-2026-81375 is a high-severity path traversal vulnerability in Google Cloud Application Integration, published on 28 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-610
Which versions are affected by CVE-2026-81375?
How do I fix CVE-2026-81375?
No fix has been published for CVE-2026-81375 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-81375 being exploited?
There is no known exploitation of CVE-2026-81375 in the wild and no public exploit code.
Sources
Also known as GHSA-h3ww-47qh-gvv3.