Vulnerability Description
SolarWinds Web Help Desk was found to be susceptible to an unauthenticated AjaxProxy deserialization remote code execution vulnerability that, if exploited, would allow an attacker to run commands on the host machine. This vulnerability is a patch bypass of CVE-2024-28988, which in turn is a patch bypass of CVE-2024-28986.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Solarwinds | Web Help Desk | <= 12.8.6 |
Related Weaknesses (CWE)
References
- https://documentation.solarwinds.com/en/success_center/whd/content/release_notesRelease Notes
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26399PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-US Government Resource
- https://www.microsoft.com/en-us/security/blog/2026/02/06/active-exploitation-solThird Party Advisory
FAQ
What is CVE-2025-26399?
CVE-2025-26399 is a vulnerability with a CVSS score of 9.8 (CRITICAL). SolarWinds Web Help Desk was found to be susceptible to an unauthenticated AjaxProxy deserialization remote code execution vulnerability that, if exploited, would allow an attacker to run commands on ...
How severe is CVE-2025-26399?
CVE-2025-26399 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2025-26399?
Check the references section above for vendor advisories and patch information. Affected products include: Solarwinds Web Help Desk.