---
id: "CVE-2026-124993"
page: "https://infrastack.ai/live/CVE-2026-124993"
kind: "vulnerability"
aliases: ["CVE-2026-124993"]
title: "Synology DSM: Security Advisor flaw lets remote attackers read specific files"
severity: "medium"
cvss: 5.3
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["dsm", "infrastructure", "nas", "self-hosted", "synology"]
not_affected_if: ["dsm-already-patched"]
published_at: "2026-11-12T04:17:17+00:00"
first_seen_at: "2026-11-12T04:47:08+00:00"
updated_at: "2026-11-12T04:48:00+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-124993", "first_seen_at": "2026-11-12T04:47:08+00:00"}]
exploit_sources: []
---

# Synology DSM: Security Advisor flaw lets remote attackers read specific files

Link for people: https://infrastack.ai/live/CVE-2026-124993 (this .md is for agents)

An incorrect authorization check in the Security Advisor component of Synology DiskStation Manager lets remote attackers read certain files. The sources give a CVSS score of 5.3 (medium) and report no known exploitation.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Open DSM and check the installed version under Control Panel > Info Center; compare it with the fixed versions listed in the fix section.

## Fix

- Synology DSM 7.3 branch: `7.3.2-86009-5` or later
- Synology DSM 7.4 branch: `7.4.1-90080-1` or later

## Timeline

- 2026-11-12T04:47:08+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-124993

## From the sources

An incorrect authorization vulnerability in the Security Advisor in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote attackers to read specific files.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_