CVE-2026-28318NVD

Vulnerability Summary

SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update

Severity Level

HIGH(7.5)

Published Date

Jun 4, 2026

Last Modified

Jul 22, 2026

Exploitation Status

ACTIVE

EPSS Score (30-Day)

8.35%Probability

Root Weakness (CWE)

CWE-400: Unknown/Unlisted Weakness ↗

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

CVSS v3.1 Base Metrics

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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