CVE-2025-13427 | THREATINT

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.

PUBLISHED Reserved 2025-11-19 | Published 2025-12-18 | Updated 2025-12-19 | Assigner GoogleCloud

MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Problem types

CWE-287 Improper Authentication

Product status

Default status

unaffected

Any version

affected

Credits

asterfiester reporter

References

docs.cloud.google.com/dialogflow/docs/release-notes release-notes

cve.org (CVE-2025-13427)

nvd.nist.gov (CVE-2025-13427)

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