Authentication Bypass Vulnerability in SolarWinds Web Help Desk
CVE-2025-40554

9.8CRITICAL

Key Information:

Vendor

Solarwinds
Status
Web Help Desk
Vendor
CVE Published:
28 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-40554?

An authentication bypass vulnerability in SolarWinds Web Help Desk can enable unauthorized users to perform specific actions. This flaw allows attackers to gain access to functionalities that should be restricted, posing a risk to the integrity of the system. It is essential for users to implement available patches and security measures to mitigate potential threats and safeguard their data.

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Affected Version(s)

Web Help Desk 12.8.8 HF1 and below

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-40554
Created by Skynoxk

References

https://www.solarwinds.com/trust-center/security-advisori...
vendor-advisorypatch
https://documentation.solarwinds.com/en/success_center/wh...
release-notes

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Piotr Bazydlo working with watchTowr
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