cve-2025-26399

{
  "cvss": 9.8,
  "datePublished": "2026-03-09",
  "dateUpdated": "2026-03-09",
  "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.",
  "dueDate": "2026-03-12",
  "id": "CVE-2025-26399",
  "kev_catalogs": [
    "cisa"
  ],
  "knownRansomwareCampaignUse": "Known",
  "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",
  "product": "Web Help Desk",
  "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "severity": "CRITICAL",
  "source": "cisa_known_exploited",
  "title": "SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability",
  "vendor": "SolarWinds"
}