CVE-2026-66000
Frappe: Unrestricted access to Document Follow APIs
Description
Frappe is a full-stack web application framework. Prior to 16.23.0 and 15.112.0, Document Follow notification generation does not re-evaluate the recipient's current document permissions, allowing users whose access was revoked or reduced to continue receiving document data by email. This issue is fixed in versions 16.23.0 and 15.112.0.
INFO
Published Date :
Aug. 7, 2026, 7:18 p.m.
Last Modified :
Aug. 7, 2026, 7:18 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-66000
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update Frappe to version 16.23.0 or later.
- Update Frappe to version 15.112.0 or later.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-66000.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-66000 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-66000
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-66000 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-66000 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Aug. 07, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'frappe', 'product': 'frappe', 'versions': [{'status': 'affected', 'version': '>= 16.0.0-beta.1, < 16.19.0'}, {'status': 'affected', 'version': '>= 15.0.0, < 15.109.0'}]}] Added Description Frappe is a full-stack web application framework. Prior to 16.23.0 and 15.112.0, Document Follow notification generation does not re-evaluate the recipient's current document permissions, allowing users whose access was revoked or reduced to continue receiving document data by email. This issue is fixed in versions 16.23.0 and 15.112.0. Added CVSS V4.0 AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-863 Added Reference https://github.com/frappe/frappe/commit/0914acb998004b3878eb5cf57b765115305b49a6 Added Reference https://github.com/frappe/frappe/commit/b02c1aec2c75eb0819cc6730dd230c2acb0fa60d Added Reference https://github.com/frappe/frappe/security/advisories/GHSA-wcm9-vvcc-r8pr -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 07, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-66000', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-07T18:39:41.937802Z'}