Vulnerability in Synology Diskstation Manager

CVE-2026-2237

A use of get request method with sensitive query strings vulnerability in volume encryption of Synology Storage Manager package before 1.0.1-1100 allows local users on Windows to obtain sensitive information.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-2237: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-2237?
CVE-2026-2237 is a medium-severity vulnerability in Synology Diskstation Manager, classified under CWE-598. CVSS score: 6.2/10. Published 2026-05-27.
How severe is CVE-2026-2237?
Medium severity. CVSS v3 base score is 6.2 out of 10.