9.8

CVE-2025-26399

Warnung
Medienbericht

SolarWinds Web Help Desk Deserialization of Untrusted Data Privilege Escalation Vulnerability

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Solarwinds ≫ Web Help Desk Version <= 12.8.6
Solarwinds ≫ Web Help Desk Version12.8.7 Update-
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09.03.2026: CISA Known Exploited Vulnerabilities (KEV) Catalog

SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability

Schwachstelle

SolarWinds Web Help Desk contain a deserialization of untrusted data vulnerability in AjaxProxy that could allow an attacker to run commands on the host machine.

Beschreibung

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 88.33% 0.997
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
psirt@solarwinds.com 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

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https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_12-8-7-hotfix-1_release_notes.htm
Release Notes
https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-26399
Patch
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-26399
US Government Resource
https://www.microsoft.com/en-us/security/blog/2026/02/06/active-exploitation-solarwinds-web-help-desk/
Third Party Advisory