CVE-2026-4764: CWE-862 Missing Authorization in Google Cloud Dialogflow CX
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.
AI Analysis
Technical Summary
This vulnerability (CWE-862) in Google Cloud Dialogflow CX involves missing authorization checks in the playbook import feature. An authenticated user with certain roles could exploit this flaw to escalate privileges within the GCP project, potentially leading to full project takeover. The issue was addressed by Google with a patch deployed on March 15, 2026. Since Dialogflow CX is a cloud-hosted service, Google manages the remediation server-side, and customers do not need to take any action.
Potential Impact
An attacker with authenticated access and specific roles could escalate their privileges and gain control over the affected Google Cloud project. This could lead to unauthorized access, modification, or disruption of cloud resources within the project. The vulnerability is rated critical with a CVSS 4.0 score of 9.4, reflecting high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Google has patched this vulnerability as of March 15, 2026, and manages remediation for Dialogflow CX as a cloud service. No customer action is required to mitigate this issue. Customers should verify through official Google Cloud advisories that their environment is updated and protected.
CVE-2026-4764: CWE-862 Missing Authorization in Google Cloud Dialogflow CX
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 v4.0
Score 9.4critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-862) in Google Cloud Dialogflow CX involves missing authorization checks in the playbook import feature. An authenticated user with certain roles could exploit this flaw to escalate privileges within the GCP project, potentially leading to full project takeover. The issue was addressed by Google with a patch deployed on March 15, 2026. Since Dialogflow CX is a cloud-hosted service, Google manages the remediation server-side, and customers do not need to take any action.
Potential Impact
An attacker with authenticated access and specific roles could escalate their privileges and gain control over the affected Google Cloud project. This could lead to unauthorized access, modification, or disruption of cloud resources within the project. The vulnerability is rated critical with a CVSS 4.0 score of 9.4, reflecting high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Google has patched this vulnerability as of March 15, 2026, and manages remediation for Dialogflow CX as a cloud service. No customer action is required to mitigate this issue. Customers should verify through official Google Cloud advisories that their environment is updated and protected.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GoogleCloud
- Date Reserved
- 2026-03-24T11:41:11.276Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
- Is Cloud Service
- true
Threat ID: 6a2a9cff9fc46f59735d024e
Added to database: 6/11/2026, 11:33:19 AM
Last enriched: 6/11/2026, 11:48:16 AM
Last updated: 6/11/2026, 1:15:41 PM
Views: 9
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