CVE-2025-26399

UNKNOWNKnown Exploited

CISA Known Exploited Vulnerability

https://www.solarwinds.com/trust-center/security-advisories/cve-2025-26399 ; https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_12-8-7-hotfix-1_release_notes.htm ; https://nvd.nist.gov/vuln/detail/CVE-2025-26399

Remediation deadline: March 12, 2026

Ransomware use: Known

Description

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.

Timeline

Published:March 9th, 2026 12:00 AM

Last modified:March 9th, 2026 12:00 AM

Added to KEV:March 9th, 2026

CVSS Scoring

No CVSS v3 score available

Affected Software

From NVD CPE configuration data

Vendors

SolarWinds

Products

Web Help Desk

Weaknesses (CWE)

CWE-502

References & Reports

Advisories, patches, and third-party reports

No references available.

Source: CISA KEV + NVD · Data may lag official sources by up to one minute