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CVE-2026-66057
Published:October 13, 2026
Updated:October 14, 2026
Frappe is a full-stack web application framework. Prior to 15.116.0 and 16.29.0, the OAuth login flow uses an unsanitized client-controlled state parameter to select post-authentication navigation, allowing a crafted state value to redirect a user to an attacker-chosen location. This issue is fixed in versions 15.116.0 and 16.29.0.
Affected Packages
https://github.com/frappe/frappe.git (GITHUB):
Affected version(s) >=v15.0.0 <v15.116.0
Fix Suggestion:
Update to version v15.116.0
https://github.com/frappe/frappe.git (GITHUB):
Affected version(s) >=v16.0.0 <v16.29.0
Fix Suggestion:
Update to version v16.29.0
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CVSS v4
Base Score:
5.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
ACTIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
URL Redirection to Untrusted Site ('Open Redirect')