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OpenAdvisories
Medium · 5.1 CVE-2026-66057 EUVD-2026-98927

Frappe: Open Redirect via Unsanitized OAuth State Param.

Published Oct 13, 2026 · Updated Oct 14, 2026 · Assigned by GitHub_M

Description

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 products

VendorProductAffectedFixed
frappe frappe < 15.116.0, >= 16.0.0, < 16.29.0 —

References