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NTAP-20261021-0020 — CVE-2026-48798 SSH.NET Vulnerability in NetApp Products
Published 2026-10-21 · Updated 2026-10-21 · Status: Interim · Exploitation: Public · Severity: HIGH 7.1 · ONTAP affected: No — other NetApp product
Product family: Other NetApp products | other NetApp product | highest CVSS: 7.1
CVEs in this advisory
- CVE-2026-48798 — HIGH · CVSS 7.1 · site index
What the CVE records say
CVE-2026-48798 — SSH.NET is a Secure Shell (SSH) library for .NET. In 2025.1.0 and earlier, ScpClient.Download(string directoryName, DirectoryInfo directoryInfo) trusts file and directory names returned by a remote SCP server and combines them with the requested local directory without containment validation, allowing a malicious, compromised, or man-in-the-middle server to use ../ sequences or absolute paths to create or overwrite files anywhere writable by the client process. This issue is fixed in version 2026.0.0.
Impact
Successful exploitation of this vulnerability could lead to addition or modification of data or Denial of Service (DoS).
Affected products
- SnapGathers
References
What to do
- Compare your installed product and version against the affected list above and the official advisory's affected-versions table.
- Apply the fixed release named in the official advisory, or the documented workaround if no fix ships yet.
- Limit management-plane exposure (BMC/management interfaces, web UIs, SNMP) until patched.
- Track follow-ups in the site CVE index and the security RSS feed.
Related reading
- Site CVE index — every CVE we track, split by year
- Security hub — recent NetApp advisories and what changed
- Security hardening baseline — applies to NetApp management planes generally
- Every NetApp advisory published in 2026