CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Mar 12, 2026
High
CISA KEVCVE-2025-26399
SolarWinds—Web Help Desk
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
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
Vulnerability Overview
- Severity
- High
- CISA KEV
- Yes
- Ransomware
- Unknown
- Published
- Mar 9, 2026
- KEV Added
- Mar 9, 2026
- Due Date
- Mar 12, 2026
- Related Articles
- 0
Vendor
SolarWinds
Web Help Desk