Vulnerability · Published Jan 28, 2026 · Assigned by SolarWinds

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

Critical 9.8

In plain English

A critical-severity security flaw in Web Help Desk from SolarWinds. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 60.6% (higher than 99.2% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)60.6%top 0.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling2Nuclei, Public PoC

Official description

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.

Affected products (as reported)

VendorProductVersions
SolarWinds Web Help Desk 12.8.8 HF1 and below

Weakness: CWE-1390 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References