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CVE-2026-66059— Frappe: Field-level permission bypass via Document Follow

Quick assessment

Affected
frappe frappe
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Frappe是印度Frappe公司开源的一款构建业务应用的开发框架。 Frappe 16.20.0之前版本和15.112.0之前版本存在授权问题漏洞，该漏洞源于字段级权限绕过，导致暴露受限的DocType字段。

CVSS 5.3 · Medium EPSS 0.48% · P39

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 2

VendorProduct Version RangeStatus
frappe frappe >= 16.0.0-beta.1, < 16.20.0 affected
< 15.112.0 affected
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I. Basic Information for CVE-2026-66059

Vulnerability Information
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Vulnerability Title
Frappe: Field-level permission bypass via Document Follow
Source: CVE Program / CVE List V5
Vulnerability Description
Frappe is a full-stack web application framework. Prior to 16.20.0 and 15.112.0, a field-level permissions bypass exposes restricted DocType fields. This issue is fixed in versions 16.23.0 and 15.112.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Frappe 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Frappe是印度Frappe公司开源的一款构建业务应用的开发框架。 Frappe 16.20.0之前版本和15.112.0之前版本存在授权问题漏洞，该漏洞源于字段级权限绕过，导致暴露受限的DocType字段。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
frappe frappe >= 16.0.0-beta.1, < 16.20.0 -

II. Public POCs for CVE-2026-66059

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III. Intelligence Information for CVE-2026-66059

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Patches & Fixes for CVE-2026-66059 (2)

Vendor Advisories for CVE-2026-66059 (1)

Same Patch Batch · frappe · 2026-08-07 · 4 CVEs total

CVE-2025-58375 8.1 HIGH Frappe has potential SQL Injection due to missing validation
CVE-2026-66058 5.3 MEDIUM Frappe: Unrestricted access to a Document Follow API
CVE-2026-66000 2.3 LOW Frappe: Unrestricted access to Document Follow APIs

IV. Related Vulnerabilities

Same product: frappe
Same vendor: frappe
Same weakness: CWE-863

V. Comments for CVE-2026-66059

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