CVE-2026-3091 Details
Description
An uncontrolled search path element vulnerability in Synology Presto Client before 2.1.3-0672 allows local users to read or write arbitrary files and conduct denial-of-service during installation by placing a malicious DLL in advance in the same directory as the installer.
A vulnerability allowing uncontrolled search path elements has been identified in Synology Presto Client versions prior to 2.1.3-0672. This vulnerability allows local users to read or write arbitrary files during the installation process by placing a malicious DLL in the same directory as the installer.
Users are advised to upgrade to Synology Presto Client version 2.1.3-0672 or above.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Feb 24, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.synology.com/en-global/security/advisory/Synology_SA_26_02 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-427 | Uncontrolled Search Path Element | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| synology presto client | < 2.1.3-0672 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 2, 2026 | Modified Analysis | [email protected] |
| Jun 2, 2026 | CVE Modified | [email protected] |
| Mar 4, 2026 | Initial Analysis | [email protected] |
| Feb 24, 2026 | New CVE Received | [email protected] |