CVE-2026-52111

CRITICAL CVSS 3.1: 9.8 EPSS 0.34%
Updated Sep 08, 2026
An
Parameter Value
CVSS 9.8 (CRITICAL)
Type CWE-284 (Improper Access Control)
Vendor An
Public PoC No

An issue in fast-note-sync-service <=2.13.7 allows a remote attacker to escalate privileges via the admin configuration endpoint exposes authTokenKey

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1