Frappe up to 16.31.0 Workflow frappe/model/workflow.py frappe.model.workflow.bulk_workflow_approval privileges management

Summaryinfo

A vulnerability classified as problematic was found in Frappe up to 16.31.0. Affected by this issue is the function frappe.model.workflow.bulk_workflow_approval of the file frappe/model/workflow.py of the component Workflow. The manipulation results in privileges management. This vulnerability is cataloged as CVE-2026-63654. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Frappe up to 16.31.0. Affected is the function frappe.model.workflow.bulk_workflow_approval of the file frappe/model/workflow.py of the component Workflow. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on integrity. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-63654 since 07/17/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/20/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• Frappe

Version

• 16.0
• 16.1
• 16.2
• 16.3
• 16.4
• 16.5
• 16.6
• 16.7
• 16.8
• 16.9
• 16.10
• 16.11
• 16.12
• 16.13
• 16.14
• 16.15
• 16.16
• 16.17
• 16.18
• 16.19
• 16.20
• 16.21
• 16.22
• 16.23
• 16.24
• 16.25
• 16.26
• 16.27
• 16.28
• 16.29
• 16.30
• 16.31.0

Website

• Product: https://github.com/frappe/frappe/

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