CVE-2026-3091
6.7 · MEDIUMOverview
CVE-2026-3091 is a medium-severity vulnerability affecting synology presto_client. It was published on February 24, 2026 and has a CVSS 3.1 base score of 6.7 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from synology. Update presto_client to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| synology | presto_client | >= 0, < 2.1.3-0672 | Affected |
Frequently Asked Questions
What is CVE-2026-3091?
CVE-2026-3091 is a medium-severity vulnerability affecting synology presto_client. It was published on February 24, 2026 and has a CVSS 3.1 base score of 6.7 (MEDIUM).
How severe is CVE-2026-3091?
This vulnerability has a CVSS 3.1 base score of 6.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-3091?
Check the references section for vendor advisories and patches from synology. Update presto_client to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-3091?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-3091 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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