CVE-2026-66001

UNKNOWN 0.0

Frappe: Improper Authorization in OAuth2 Consent Endpoint

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

Frappe is a full-stack web application framework. Prior to 15.114.0 and 16.26.0, the approve and authorize functions in frappe/integrations/oauth2.py allow the OAuth2 consent flow to proceed without restricting approve to POST, without a csrf_token in frappe/templates/includes/oauth_confirmation.html, and without scoping an active OAuth token check to the requesting client. An attacker can cause an authenticated user to approve an OAuth grant or reuse authorization state for the wrong client, exposing data and permitting actions within the granted scopes. This issue is fixed in versions 15.114.0 and 16.26.0.

CWE	CWE-352
Vendor	frappe
Product	frappe
Published	Aug 20, 2026

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Affected Versions

frappe / frappe

< 15.114.0 >= 16.0.0-beta.1, < 16.26.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗