CVE-2025-40552

9.8 CRITICAL

Published: January 28, 2026 Modified: February 26, 2026

Description

SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that if exploited, would allow a malicious actor to execute actions and methods that should be protected by authentication.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm

Source: psirt@solarwinds.com

Release Notes

https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40552

Source: psirt@solarwinds.com

Vendor Advisory

https://github.com/watchtowrlabs/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553/blob/main/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553.py

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

3 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

9.9%

93th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-1390

Affected Vendors

solarwinds

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