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NVD Vulnerability Details :
CVE-2025-26399
Analyzed
More InfoOfficial Page
Source-psirt@solarwinds.com
View Known Exploited Vulnerability (KEV) details
Published At-23 Sep, 2025 | 05:15
Updated At-10 Mar, 2026 | 13:11

SolarWinds Web Help Desk was found to be susceptible to an unauthenticated AjaxProxy deserialization remote code execution vulnerability that, if exploited, would allow an attacker to run commands on the host machine. This vulnerability is a patch bypass of CVE-2024-28988, which in turn is a patch bypass of CVE-2024-28986.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
2026-03-092026-03-12SolarWinds Web Help Desk Deserialization of Untrusted Data VulnerabilityApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Date Added: 2026-03-09
Due Date: 2026-03-12
Vulnerability Name: SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability
Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CPE Matches

SolarWinds Worldwide, LLC.
solarwinds
>>web_help_desk>>Versions up to 12.8.6(inclusive)
cpe:2.3:a:solarwinds:web_help_desk:*:*:*:*:*:*:*:*
SolarWinds Worldwide, LLC.
solarwinds
>>web_help_desk>>12.8.7
cpe:2.3:a:solarwinds:web_help_desk:12.8.7:-:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-502Secondarypsirt@solarwinds.com
CWE-502Primarynvd@nist.gov
CWE ID: CWE-502
Type: Secondary
Source: psirt@solarwinds.com
CWE ID: CWE-502
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_12-8-7-hotfix-1_release_notes.htmpsirt@solarwinds.com
Release Notes
https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26399psirt@solarwinds.com
Patch
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-26399134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource
https://www.microsoft.com/en-us/security/blog/2026/02/06/active-exploitation-solarwinds-web-help-desk/134c704f-9b21-4f2e-91b3-4a467353bcc0
Third Party Advisory
Hyperlink: https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_12-8-7-hotfix-1_release_notes.htm
Source: psirt@solarwinds.com
Resource:
Release Notes
Hyperlink: https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26399
Source: psirt@solarwinds.com
Resource:
Patch
Vendor Advisory
Hyperlink: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-26399
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
US Government Resource
Hyperlink: https://www.microsoft.com/en-us/security/blog/2026/02/06/active-exploitation-solarwinds-web-help-desk/
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
Third Party Advisory
Change History
0Changes found

Details not found