Oct 19, 2026 · 18:29 UTC SEARCH
UNRATED KNOWN EXPLOITED
Vulnerability intelligence

CVE-2025-40551

VendorSolarWinds
ProductWeb Help Desk
Known exploitedYes
Added to CISA KEVFebruary 3, 2026
KEV due dateFebruary 6, 2026
Known ransomware useNot identified by CISA

SolarWinds Web Help Desk contains a deserialization of untrusted data vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA KEV status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities Catalog. Known ransomware campaign use: Unknown.

Stay Ahead of the Threat Landscape

Breach intelligence, vulnerability alerts, and original analysis — delivered as it happens.