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Vulnerability record · CVE-2026-4764 · published 11 June 2026

CVE-2026-4764: Missing authorization vulnerability

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.

9.4 CVSS 4.0 Critical EPSS 0.35% · top 73.9% CWE-862 · Missing authorization Awaiting Analysis
9.4CVSS 4.0 base score
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://docs.cloud.google.com/dialogflow/docs/release-notes#May_07_2026

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Source: NIST National Vulnerability Database (record CVE-2026-4764), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.