CVE-2026-81584 · Infrastructure
NO FIX YET · SEE WHAT TO DO
Synology DiskStation Manager's User API builds SQL commands from data supplied by an LDAP or Active Directory server without proper neutralization. A remote attacker who controls such a directory server can read or write arbitrary files on the NAS and cause denial of service.
first public Nov 12, 2026 · 1 source
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Systems running Synology DSM before 7.3.2-86009-5 or 7.4.1-90080-1 that use LDAP or Active Directory for user accounts are the exposed ones. The attacker has to control or compromise the directory server that DSM queries, so NAS units with local accounts only are less exposed.
Not affected if already-patched, local-accounts-only, no-ldap-integration
Who cares active-directory, dsm, ldap, nas, synology
cat /etc/VERSION over SSH on the NAS)7.3.2-86009-5 or later on the 7.3 branch7.4.1-90080-1 or later on the 7.4 branchAn improper neutralization of special elements used in an SQL command vulnerability in the User API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote attackers with control over a compromised LDAP or Active Directory server to read or write arbitrary files and conduct denial-of-service attacks.
This page as .md · .json · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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