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Critical severity · published Jun 11, 2026
CVE-2026-4764
Privilege Escalation in Dialogflow CX via Playbook Import
9.4
CVSS
0.2%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DC
Dialogflow CX · Google Cloud
before 2026-03-15 · source: vendor
Affected product
DC
Dialogflow CX
Google Cloud
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-4764
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-4764
docs.cloud.google.com
https://docs.cloud.google.com/dialogflow/docs/release-notes#May_07_2026