CVE-2026-28316NVD

Vulnerability Summary

SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to privilege escalation to a system administrator with the ability to execute commands as the root user. This issue requires a domain account with administrator access. The impact is lower in Windows deployments.

Severity Level

CRITICAL(9.1)

Published Date

Jul 21, 2026

Last Modified

Jul 24, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

1.28%Probability

Root Weakness (CWE)

CWE-639: Unknown/Unlisted Weakness ↗

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

CVSS v3.1 Base Metrics — Score 9.1 (CRITICAL)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeChanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Solarwinds Serv-u < 2026.3

Patched Versions

Solarwinds Serv-u 2026.3

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