CVE-2025-26399 - SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability

Vulnerability Name

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.

Known To Be Used in Ransomware Campaigns?

Unknown

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.

Additional Notes

https://www.solarwinds.com/trust-center/security-advisories/cve-2025-26399

https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_12-8-7-hotfix-1_release_notes.htm

https://nvd.nist.gov/vuln/detail/CVE-2025-26399

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