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// vulnerability record
cached · NVD via COSMOS syncCVE-2025-26399
CRITICALKEVpublished 2025-09-23 05:15 UTC · 11 months ago · modified 2026-06-17 09:01 UTC
9.8
CVSS / 10
// 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.
// required action (CISA KEV)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
added 2026-03-09 00:00 UTC
// weaknesses (CWE)
- CWE-502
// references (4)
- https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_12-8-7-hotfix-1_release_notes.htm
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26399
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-26399
- https://www.microsoft.com/en-us/security/blog/2026/02/06/active-exploitation-solarwinds-web-help-desk/