Vulnerability Description
An authentication bypass vulnerability in Google Cloud Dialogflow CX Messenger allowed unauthenticated users to interact with restricted chat agents, gaining access to the agents' knowledge and the ability to trigger their intents, by manipulating initialization parameters or crafting specific API requests. All versions after August 20th, 2025 have been updated to protect from this vulnerability. No user action is required for this.
Related Weaknesses (CWE)
References
FAQ
What is CVE-2025-13427?
CVE-2025-13427 is a documented vulnerability. An authentication bypass vulnerability in Google Cloud Dialogflow CX Messenger allowed unauthenticated users to interact with restricted chat agents, gaining access to the agents' knowledge and the ab...
How severe is CVE-2025-13427?
CVSS scoring is not yet available for CVE-2025-13427. Check NVD for updates.
Is there a patch for CVE-2025-13427?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.