CVE-2025-26400 - CVE House
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Status published Medium CVE-2025-26400

SolarWinds Web Help Desk XML External Entity Injection (XXE) Vulnerability

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • DieuLink, Nhiephon, and chung96vn from GCSC Vietnam

References

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Affected Vendor

Affected Software

Web Help Desk
Vulnerable Versions:
12.8.6 and previous versions

Timeline

Official Publish: July 29th, 2025
Last Modified: July 29th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-611

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1005 Data from Local System
Collection
T1040 Network Sniffing
Collection
T1105 Ingress Tool Transfer
Command and Control
T1499 Endpoint Denial of Service
Impact