CVE-2025-26399 — SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability
2026-03-09 • CISA Known Exploited Vulnerability
[event] SolarWinds Web Help Desk contain a deserialization of untrusted data vulnerability in AjaxProxy that could allow an attacker to run commands on the host machine.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | SolarWinds |
| Product | Web Help Desk |
| CWE | CWE-502 |
| CVE ID | CVE-2025-26399 |
| Date Added | 2026-03-09 |
| Due Date | 2026-03-12 |
| Ransomware Campaign | Unknown |
> MITIGATION
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due Date: 2026-03-12