CVE-2025-12952 Privilege Escalation in Dialogflow CX via Webhook Admin Role
Attacker with webhook editor permissions can escalate to project-level access, managing unauthorized resources and causing costs.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-12952?
CVE-2025-12952 is a high-severity vulnerability in Google Cloud Dialogflow CX, published on 10 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A privilege escalation vulnerability exists in Google Cloud's Dialogflow CX.
Dialogflow agent developers with Webhook editor permission are able to configure Webhooks using Dialogflow service agent access token authentication. This allows the attacker to escalate their privileges from agent-level to project-level, granting them unauthorized access to manage resources in services associated with the project, leading to unexpected costs and resource depletion for the producer project.
A fix was applied on the server side to protect from this vulnerability in February 2025. No customer action is required.
Weakness: CWE-269
Which versions are affected by CVE-2025-12952?
How do I fix CVE-2025-12952?
No fix has been published for CVE-2025-12952 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-12952 being exploited?
There is no known exploitation of CVE-2025-12952 in the wild and no public exploit code.
Sources
Also known as GHSA-2cpv-h844-jg2r.