SB2026041480 - Authenticated code injection in Synology Mail Station for DSM
Published: April 14, 2026
Security Bulletin ID
SB2026041480
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Code Injection (CVE-ID: CVE-2026-5129)
The vulnerability allows a remote user to read or write limited files.
The vulnerability exists due to improper control of generation of code in Mail Station when handling requests. A remote user can send a specially crafted request to read or write limited files.
Remediation
Install update from vendor's website.