CVE-2025-40552 SolarWinds Web Help Desk Authentication Bypass Vulnerability

Critical 9.8 Published 28 Jan 2026 Updated 27 Feb 2026

Attackers can bypass authentication to execute protected actions in SolarWinds Web Help Desk, requiring immediate patching.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-40552?

CVE-2025-40552 is a critical authentication bypass vulnerability in SolarWinds Web Help Desk, published on 28 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-1390

Which versions are affected by CVE-2025-40552?

It affects 1 product.

Products include Solarwinds Web Help Desk.

How do I fix CVE-2025-40552?

No fix has been published for CVE-2025-40552 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-40552 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-40552 exists.

Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.

Sources

Also known as GHSA-jpf4-6gr7-rh8q.