CVE-2025-26399

CriticalCVSS 9.8/10Known exploited (CISA KEV)Last modified Oct 11, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

No affected versions have been published.

Timeline

Published: Sep 23, 2025
Last modified: Oct 11, 2026
Added to CISA KEV: Mar 9, 2026
NVD status: Analyzed

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