CVE-2026-28316

CRITICAL CVSS 3.1: 9.1 EPSS 1.28%
Updated Jul 24, 2026
Solarwinds
Parameter Value
CVSS 9.1 (CRITICAL)
Affected Versions before 2026.3
Fixed In 2026.3
Type CWE-639 (Authorization Bypass)
Vendor Solarwinds
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Solarwinds Serv-U
cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*
2026.3