CVE detail
CVE-2025-40551: SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
SolarWinds · Web Help Desk
- Date added (KEV)
- Feb 03, 2026
- CISA due date
- Feb 06, 2026
- Ransomware campaign use
- Unknown
Required 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.
Scorifya interpretation
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Plain English
Technical detail
From CISA
SolarWinds Web Help Desk contains a deserialization of untrusted data vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.
https://www.solarwinds.com/trust-center/security-advisories/cve-2025-40551 ; https://nvd.nist.gov/vuln/detail/CVE-2025-40551
See what attackers can see on your domain
This vulnerability is on CISA's Known Exploited Vulnerabilities list, so it is being exploited in the wild right now. Scorifya can't test for SolarWinds directly, but in about 30 seconds it shows what your own domain exposes publicly across TLS, security headers, DNS, and cookies: the surface attackers probe first.
SOC 2 compliance
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See Scorifya Controls →References
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40551Vendor Advisory
- https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htmRelease Notes
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40551US Government Resource
Other recent CVEs from SolarWinds
- CVE-2026-28318Serv-U, SolarWinds Serv-U Uncontrolled Resource Consumption Vulnerability
- CVE-2025-26399Web Help Desk, SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability
- CVE-2025-40536Web Help Desk, SolarWinds Web Help Desk Security Control Bypass Vulnerability
- CVE-2024-28987Web Help Desk, SolarWinds Web Help Desk Hardcoded Credential Vulnerability
- CVE-2024-28986Web Help Desk, SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability