SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability

Public source report. This item is not matched to your stack and does not establish whether you are affected.

• NewsExploited · CISA KEVSolarWinds · Web Help Desk

  SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability

  CVE-2025-40551

  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.

  CISA's required action · due 6 Feb 2026 for U.S. federal civilian agencies

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

  Cited by CISA: solarwinds.com · nvd.nist.gov

  Added to KEV 3 Feb 2026 · Source checked 4 Nov 2026, 16:40 UTC · CISA KEV entry

  Loading voting…