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CVE-2026-66001

Published Aug 20, 2026 CWE-352 EPSS 0.23% (14th pctl)

Overview

CVE-2026-66001 is a known-severity vulnerability. It was published on August 20, 2026.

Technical Description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHub github.com/frappe/frappe/commit/336c7d335db762b494acdfe43aea69d459fd51d7 GitHub github.com/frappe/frappe/commit/d7460769f999c68d3121b680119f8724ddd3eb9d GitHub github.com/frappe/frappe/commit/eb9c1446cac13236c6d573b136786db2e46254fa GitHub github.com/frappe/frappe/pull/40073 GitHub github.com/frappe/frappe/pull/40700 GitHub github.com/frappe/frappe/pull/40701 GitHub github.com/frappe/frappe/releases/tag/v15.114.0 GitHub github.com/frappe/frappe/releases/tag/v16.26.0 GitHub github.com/frappe/frappe/security/advisories/GHSA-2ph8-x773-8p2x

Frequently Asked Questions

What is CVE-2026-66001?

CVE-2026-66001 is a known-severity vulnerability. It was published on August 20, 2026.

How severe is CVE-2026-66001?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-66001?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-66001?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-66001 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

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HackBrowser

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