CVE-2026-4764 Privilege Escalation in Dialogflow CX via Playbook Import
An authenticated user can escalate privileges and take over a GCP project via malicious playbook import in Dialogflow CX.
- 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-2026-4764?
CVE-2026-4764 is a critical missing authorization vulnerability in Google Cloud Dialogflow CX, published on 11 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A Missing Authorization vulnerability in the playbook import functionality in Dialogflow CX on Google Cloud Platform allows an authenticated user with specific roles to escalate privileges and potentially take over a GCP project using a maliciously crafted playbook import.
This vulnerability was patched on 15 March 2026, and no customer action is needed.
Weakness: CWE-862
Which versions are affected by CVE-2026-4764?
How do I fix CVE-2026-4764?
No fix has been published for CVE-2026-4764 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-4764 being exploited?
There is no known exploitation of CVE-2026-4764 in the wild and no public exploit code.
Sources
Also known as GHSA-6c66-33pw-q83j.