CVE-2025-26399NVD

Vulnerability Summary

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.

Severity Level

CRITICAL(9.8)

Published Date

Sep 23, 2025

Last Modified

Oct 11, 2026

PoC

Available(Nuclei)

Exploitation Status

ACTIVE

EPSS Score (30-Day)

89.50%Probability

Root Weakness (CWE)

CWE-502: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 9.8 (CRITICAL)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Solarwinds Web Help Desk <= 12.8.6
Solarwinds Web Help Desk

Patched Versions

Not provided by NVD for this CVE.

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