CVE-2025-26400 SolarWinds Web Help Desk XML External Entity Injection (XXE) Vulnerability

Medium 5.3 Published 29 Jul 2025 Updated 29 Jul 2025

An attacker with low-privilege access can exploit an XML External Entity vulnerability in SolarWinds Web Help Desk to disclose sensitive information.

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

What is CVE-2025-26400?

CVE-2025-26400 is a medium-severity vulnerability in SolarWinds Web Help Desk, published on 29 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

SolarWinds Web Help Desk was reported to be affected by an XML External Entity Injection (XXE) vulnerability that could lead to information disclosure. A valid, low-privilege access is required unless the attacker had access to the local server to modify configuration files.

Weakness: CWE-611

Which versions are affected by CVE-2025-26400?

It affects 1 product.

Products include Solarwinds Web Help Desk.

How do I fix CVE-2025-26400?

No fix has been published for CVE-2025-26400 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-26400 being exploited?

There is no known exploitation of CVE-2025-26400 in the wild and no public exploit code.

Sources

Also known as GHSA-gcmc-57w6-9878.