Vulnerability Report

CVE-2025-40552

Title: Authentication Bypass in SolarWinds Web Help Desk

Other

Proof Of Concept

PoC Available for CVE-2025-40552

CWE Category CWE-1390
Published Date Jan 28, 2026
Modified Date Feb 26, 2026
Exploit Status Available
Score 9.8 CVSS v3.1
Exploit Probability (EPSS)
8.55%

Vulnerability Summary

CVE-2025-40552: 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.

Impacted Vendors

W
webhelpdesk 1
S
solarwinds 1

Reference Links

https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40552
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-40552 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/watchtowrlabs/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.