Web Help DeskApplication · Solarwinds

CVE-2025-40554

CRITICAL · 9.8 CVSS v3.1 Published 2026-01-28
Fix available
A fix is available. Upgrade to 2026.1 or later.
See remediation →
100/100
Remediation priority · Urgent
High EPSS Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, if exploited, could allow an attacker to invoke specific actions within Web Help Desk.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

SolarWinds Web Help Desk contains an authentication bypass vulnerability allowing unauthenticated attackers to invoke specific application actions. This critical flaw (CVSS 9.8) enables unauthorized access to sensitive help desk functions without valid credentials, potentially leading to data exposure or further system compromise.

MitigationApply the vendor-released security patch immediately and restrict network exposure of the Web Help Desk interface until the update is deployed. Verify that authentication mechanisms properly enforce credential validation for all sensitive actions.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Web Help DeskApplication
Affected:< 2026.1

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify installed Web Help Desk version
    Check the SolarWinds Web Help Desk version through the admin interface (typically at /helpdesk/WebHDAccess or via the 'About' section in the administration panel) or check the installer/registry on the host system where WHD is installed
    Affected if Installed version is any version prior to 2026.1
  2. Verify authentication enforcement on sensitive endpoints
    Attempt to access common Web Help Desk API endpoints (such as /helpdesk/WebHDAPI/tickets, /helpdesk/WebHDAPI/users, or similar REST API paths) without providing any credentials using a tool like curl or browser
    Affected if The system returns valid data or allows actions without requiring login credentials (HTTP 200 response with actual ticket/user data rather than redirect to login or 401/403 error)
  3. Inspect authentication configuration
    Review the Web Help Desk configuration file (typically whd.conf or through the admin interface under Security/Authentication settings) to confirm that authentication is enabled and required for all sensitive actions
    Affected if Authentication is disabled or set to optional for any sensitive action endpoints

You are affected if SolarWinds Web Help Desk is running any version prior to 2026.1 AND unauthenticated access to sensitive endpoints is possible.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 2026.1 or later
Fixed in 2026.1
Interim mitigation

Apply the vendor-released security patch immediately and restrict network exposure of the Web Help Desk interface until the update is deployed. Verify that authentication mechanisms properly enforce credential validation for all sensitive actions.

Recommended fix High confidence

2026.1

  1. 1. Back up your current Web Help Desk installation and database
  2. 2. Download Web Help Desk version 2026.1 from the SolarWinds customer portal
  3. 3. Install the upgrade following standard SolarWinds upgrade procedures
  4. 4. Verify the upgrade was successful by logging into Web Help Desk
  5. 5. Confirm the authentication bypass vulnerability is resolved by testing login functionality
Caveat Review SolarWinds release notes for 2026.1 to check for any configuration or feature changes that may affect your deployment

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Web Help Desk Scoped from the published advisory
  • Consultation3.0 h
  • Implementation4.0 h
  • Testing6.0 h
  • Review / QA3.0 h
16.0 hours of engineering $2,760
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,416.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2025-40554 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-40554 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data