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CVE-2025-26399 — Actively Exploited: Web Help Desk (SolarWinds)

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.

CVE IDCVE-2025-26399
VendorSolarWinds
ProductWeb Help Desk
Vulnerability nameSolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability
Date added2026-03-09
Remediation due2026-03-12
Known ransomware useUnknown
Required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
DescriptionSolarWinds Web Help Desk contain a deserialization of untrusted data vulnerability in AjaxProxy that could allow an attacker to run commands on the host machine.
SourceCISA Known Exploited Vulnerabilities

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