CVE-2026-74850: Synology DiskStation Manager path traversal in contentextract

CVE-2026-74850 · Severity: medium · CVSS 4.3 · Published 2026-11-12

Synology DiskStation Manager is a network storage operating system that manages file access and sharing. An improper pathname validation flaw in the contentextract component allows authenticated users to read files outside the intended restricted directory. This could expose sensitive data stored on the NAS device.

Technologies: Synology DiskStation Manager (DSM). Vendors: Synology.

Quick answers

Is CVE-2026-74850 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-74850 being exploited in the wild.
How severe is CVE-2026-74850?
Medium severity, with a CVSS score of 4.3, published 12 November 2026.
Which products and versions are affected?
Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1.
Is there a fix for CVE-2026-74850?
Yes: fixed in DSM 7.3.2-86009-5, 7.4.1-90080-1 or above. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-74850 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-74850?
Check whether you run Synology DiskStation Manager (DSM) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: DSM 7.3.2-86009-5, 7.4.1-90080-1 or above

Technical details

An improper limitation of a pathname to a restricted directory vulnerability (CWE-22) in the contentextract component of DSM allows remote authenticated users to bypass directory restrictions and read arbitrary files. The vulnerability requires prior authentication and network access. A fix is available in DSM 7.3.2-86009-5 and 7.4.1-90080-1.

Affected products

  • Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1

Timeline

  • 2026-11-10: disclosed
  • 2026-11-12: advisory

References

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