Vulnerability Intelligence Report
SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
CVE-2026-28314
SolarWinds Serv-U is affected by an insecure direct object reference vulnerability that leads to an account takeover. User authentication is required. The impact is lower in Windows deployments.
No Active Exploit Signals
CVSS Base Score
9.1
CRITICAL
Exploitability:2.3
Impact Score:6.1
EPSS Probability:0.45%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-639 ↗CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| SolarWinds | Serv-U | 15.5.4 HF1 and below (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.445%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | SolarWinds · Vendor · USA |
| Reserved | 2026-02-26T14:28:17 |
| Published | 2026-07-21T15:38:39 |
| Last Updated | 2026-07-24T03:55:45 |
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