Read the docs
TI-2025-19359 Aliases CVE-2025-26400GHSA-gcmc-57w6-9878

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

Priority LOW 29CWE-611Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-611 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00318 24th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SolarWindsWeb Help Desk12.8.6 and previous versions and later—No fix listedCNA
  • Web Help Desk VendorSolarWinds Affected 12.8.6 and previous versions and later Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:solarwinds:web_help_desk:*:*:*:*:*:*:*:*before 12.8.7VulnerableSolarWinds
  • cpe:2.3:a:solarwinds:web_help_desk:*:*:*:*:*:*:*:* Versions before 12.8.7 Vulnerable ·SolarWinds

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-26400
  2. 2026-10-03 Alias added: GHSA-gcmc-57w6-9878

References

  • TI-2025-27044 SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-27034 SolarWinds Web Help Desk Security Control Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-19358 SolarWinds Web Help Desk Deserialization of Untrusted Data Privilege Escalation Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-19175 SolarWinds Web Help Desk Java Deserialization Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-19176 SolarWinds Web Help Desk Hardcoded Credential Vulnerability KEVCVSS 3.1CRITICAL 9.1
  • TI-2025-27046 SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
See all 21 →

Sources