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CVE-2025-40551

SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability

Basic Information

CVE State
PUBLISHED
Reserved Date
April 16, 2025
Published Date
January 28, 2026
Last Updated
February 26, 2026
Vendor
SolarWinds
Product
Web Help Desk
Description
SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization 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.
Tags
cisa nuclei_scanner

CVSS Scores

CVSS v3.1

9.8 - CRITICAL

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC Information

Exploitation
active
Automatable
Yes
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (2026-06-01 10:50:18 UTC) Source

References

https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40551 https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm

Known Exploited Vulnerability Information

Source Added Date
CVE 2026-06-01 10:50:18 UTC

Scanner Integrations

Scanner URL Date Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-40551.yaml 2026-06-01 15:34:41 UTC

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel

  • Detected by Nuclei