CVE-2026-52111
Fast-Note-Sync-Service Privilege Escalation Vulnerability
Description
An issue in fast-note-sync-service <=2.13.7 allows a remote attacker to escalate privileges via the admin configuration endpoint exposes authTokenKey
INFO
Published Date :
Sept. 1, 2026, 6:17 p.m.
Last Modified :
Sept. 1, 2026, 6:17 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-52111
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
Solution
- Update fast-note-sync-service to version 2.13.8 or later.
- Restrict access to the admin configuration endpoint.
- Remove exposed authTokenKey from endpoint.
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-2026-52111.
| URL | Resource |
|---|---|
| https://gist.github.com/L4wCat/924c10c36d6d11651049787d547d411b | |
| https://github.com/haierkeys/fast-note-sync-service/issues/268 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-52111 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-2026-52111
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-2026-52111 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-52111 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]
Sep. 01, 2026
Action Type Old Value New Value Added Description An issue in fast-note-sync-service <=2.13.7 allows a remote attacker to escalate privileges via the admin configuration endpoint exposes authTokenKey Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/52xxx/CVE-2026-52111.json">CVE-2026-52111</a> Added Reference https://gist.github.com/L4wCat/924c10c36d6d11651049787d547d411b Added Reference https://github.com/haierkeys/fast-note-sync-service/issues/268