CVE-2026-63654 Frappe: Unauthenticated Workflow approval via confirm_action
An attacker can trick authenticated users into approving workflows via GET requests, leading to unauthorized state changes and privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-63654?
CVE-2026-63654 is a medium-severity vulnerability in frappe, published on 20 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Frappe is a full-stack web application framework. In version 16.31.0 and earlier, the whitelisted frappe.model.workflow.bulk_workflow_approval endpoint in frappe/model/workflow.py accepts safe HTTP methods for state-changing workflow approvals because the endpoint is not restricted to POST. An attacker can induce an authenticated victim browser to submit an approval action with the victim privileges. No released fixed version is available as of this review.
Weakness: CWE-352
Which versions are affected by CVE-2026-63654?
How do I fix CVE-2026-63654?
No fix has been published for CVE-2026-63654 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-63654 being exploited?
There is no known exploitation of CVE-2026-63654 in the wild and no public exploit code.
Sources
Also known as GHSA-cgwf-xgph-hxgm.