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Vulnerability record · CVE-2025-26400 · published 29 July 2025

CVE-2025-26400: Solarwinds web help desk xml external entity (xxe) vulnerability

Solarwinds · Web Help Desk

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.

6.5 CVSS 3.1 Medium EPSS 0.27% · top 82.9% CWE-611 · XML external entity (XXE)
6.5CVSS 3.1 base score
0.27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_12-8-7_release_notes.htm Release NotesVendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26400 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-40551SolarWinds Web Help Desk unauthenticated deserialization RCESolarWinds Web Help Desk contains an untrusted data deserialization flaw (CWE-502) that can lead to remote code execution, allowing an attacker to ru…KEVEPSS 84%analysed9.8CVE-2025-40536SolarWinds Web Help Desk security control bypass allows unauthenticated accessSolarWinds Web Help Desk contains a security control bypass (CWE-693) that lets an unauthenticated attacker reach restricted functionality. It is rat…KEVEPSS 74%analysed9.8CVE-2025-26399SolarWinds Web Help Desk unauthenticated deserialization RCESolarWinds Web Help Desk contains an unauthenticated deserialization flaw in the AjaxProxy component that allows remote code execution on the host. I…KEVEPSS 90%analysed9.8CVE-2024-28986SolarWinds Web Help Desk Java deserialization remote code executionSolarWinds Web Help Desk contains a Java deserialization flaw (CWE-502) that allows remote code execution on the host. The vendor originally reported…KEVEPSS 85%analysed9.1CVE-2024-28987SolarWinds Web Help Desk hardcoded credential flawSolarWinds Web Help Desk contains a hardcoded credential vulnerability (CWE-798) that lets a remote, unauthenticated attacker reach internal function…KEVEPSS 93%analysed9.8CVE-2026-28323Solarwinds web help desk improper authentication vulnerabilitySolarWinds Web Help Desk is found to be affected by a SAML authentication bypass vulnerability. This requires the SAML 2.0 authentication method to b…EPSS 1.0%9.8CVE-2025-40552SolarWinds Web Help Desk authentication bypassSolarWinds Web Help Desk contains an authentication bypass (CWE-1390) that lets an unauthenticated actor invoke actions and methods that should requi…EPSS 52%analysed9.8CVE-2025-40553SolarWinds Web Help Desk unauthenticated deserialization RCESolarWinds Web Help Desk is affected by an untrusted data deserialization flaw (CWE-502) that can lead to remote code execution. The vulnerability is…EPSS 68%analysed

Source: NIST National Vulnerability Database (record CVE-2025-26400), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.