CVE-2026-13639

critical · 9.8

An insufficient entropy vulnerability in login logic in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to read or write arbitrary files and conduct denial-of-service attacks.

9.8

CVSS

0.5%

EPSS (exploit prob.)

42nd

EPSS percentile

2026-09-18

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-331

References

https://www.synology.com/en-global/security/advisory/Synology_SA_26_13

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-13639