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Not yet scored Actively exploited Used in ransomware

CVE-2025-26399

SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability

Description

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.

Recommended 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 remediation due date for U.S. federal agencies: 12 Mar 2026.

Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.