CVE-2026-4764CWE-862

Privilege Escalation in Dialogflow CX via Playbook Import

Critical · published June 11, 2026

CVSS v4.0
9.4
EPSS
0%
Percentile
27.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
9.4 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/U:Clear
EPSS
0.00351 · 27.5th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-06-11T10:13Z
EPSS history
Timeline
  • 11 JUN 10:13Z
    Privilege Escalation in Dialogflow CX via Playbook Import
    cvelistv5